2020 - 2021 USGS Lidar: Ohio Statewide - Phase 2
OCM Partners
Data Set
(DS)
| ID: 70095
| Published / External
Created: 2023-06-05
|
Last Modified: 2024-07-31
Project (PRJ) | ID: 49401
ID: 70095
Data Set (DS)
* Discovery• First Pass
» Metadata Rubric
Item Identification
| * » Title | 2020 - 2021 USGS Lidar: Ohio Statewide - Phase 2 |
|---|---|
| Short Name | oh2020_phase2_m9845_metadata |
| * Status | Completed |
| Creation Date | 2020 |
| Revision Date | |
| • Publication Date | 2022-05-20 |
| * » Abstract |
Product: Processed, classified lidar point cloud data tiles in LAS 1.4 format. Geographic Extent: Approximately 12,101 square miles in southern Ohio Dataset Description: The OH Statewide Phase 2 2020 B20 lidar project called for the planning, acquisition, processing, and production of derivative products of QL1 lidar data to be collected at a nominal pulse spacing (NPS) of 0.35 meters. Project specifications were based on the U.S. Geological Survey National Geospatial Program Base Lidar Specification, Version 2021 revision A. The data was developed based on a horizontal reference system of NAD83 (2011) State Plane Ohio North (FIPS 3401) (EPSG 6549) and South (FIPS 3402) (EPSG 6551) and a vertical reference system of NAVD88 (GEOID18) US Survey Feet. Lidar data was delivered as processed LAS 1.4 files formatted to 1,250-feet by 1,250-feet tiles. Lidar was collected while no snow was on the ground and rivers were at or below normal levels. In order to post process the lidar data to meet task order specifications and meet ASPRS vertical accuracy guidelines, Woolpert established ground control points that were used to calibrate the lidar to known ground locations established throughout the entire project area. Additional independent accuracy checkpoints (NVA and VVA points), were collected throughout the entire project area and used to assess the vertical accuracy of the data. These checkpoints were not used to calibrate or post process the data. Block 1 (Work Unit 197533) Counties included: Fairfield, Gallia, Morgan Formatted to 19,553 tiles, covering approximately 1096 square miles. Lidar was collected from Dec 11, 2020 through April 11, 2021. Woolpert established 73 ground control points and an additional 89 independent accuracy checkpoints (50 NVA points and 39 VVA points) Block 2 (Work Unit 224682) Counties included: Athens, Hocking, Meigs, Perry, Pickaway, Ross, Vinton, Washington Formatted to 28,701 tiles, covering approximately 1609 square miles. Lidar was collected from March 7 through April 13, 2021. Woolpert established 20 ground control points and an additional 48 independent accuracy checkpoints (27 NVA points and 21 VVA points) Block 3 (Work Unit 224906) Counties included: Athens, Belmont, Monroe, Muskingum, Noble, Washington Formatted to 27,537 tiles, covering approximately 1544 square miles. Lidar was collected from Jan 23 through March 29, 2021. Woolpert established 18 ground control points and an additional 47 independent accuracy checkpoints (23 NVA points and 24 VVA points) Block 4 (Work Unit 224909) Counties included: Licking, Muskingum, Perry Formatted to 27,476 tiles, covering approximately 1540 square miles. Lidar was collected from March 10 through April 3, 2021. Woolpert established 26 ground control points and an additional 46 independent accuracy checkpoints (27 NVA points and 19 VVA points) Block 5 (Work Unit 224912) Counties included: Guernsey, Belmont Formatted to 19,255 tiles, covering approximately 1080 square miles. Lidar was collected from March 21 through April 22, 2021. Woolpert established 12 ground control points and an additional 42 independent accuracy checkpoints (24 NVA points and 18 VVA points) Block 6 (Work Unit 224915) Counties included: Coshocton, Holmes, Knox, Tuscarawas Formatted to 26,822 tiles, covering approximately 1503 square miles. Lidar was collected from Nov 19, 2020 through April 5, 2021. Woolpert established 17 ground control points and an additional 49 independent accuracy checkpoints (26 NVA points and 23 VVA points) Block 7 (Work Unit 224919) Counties included: Carroll, Harrison, Jefferson, Tuscarawas Formatted to 24,656 tiles, covering approximately 1382 square miles. Lidar was collected from Nov 24, 2020 through April 19, 2021. Woolpert established 14 ground control points and an additional 48 independent accuracy checkpoints (25 NVA points and 23 VVA points) Block 8 (Work Unit 224925) Counties included: Carroll, Columbiana, Holmes, Mahoning, Stark, Tuscarawas, Wayne Formatted to 42,505 tiles, covering approximately 1503 square miles. Lidar was collected from May 19, 2020 through April 19, 2021. Woolpert established 45 ground control points and an additional 77 independent accuracy checkpoints (52 NVA points and 25 VVA points) This metadata record supports the data entry in the NOAA Digital Coast Data Access Viewer (DAV). For this data set, the DAV is leveraging the Entwine Point Tiles (EPT) hosted by USGS on Amazon Web Services. |
| * Purpose |
The project will support the 3DEP mission, the Natural Resources Conservation Service (NRCS) high resolution elevation enterprise program and the Federal Emergency Management Agency (FEMA) Risk Mapping. |
| Notes | |
| Other Citation Details | |
| • Supplemental Information |
USGS Contract No. G16PC00022, Task Order No. 140G0220F0194. Contractor: Woolpert. The following are the USGS lidar fields in JSON: {
"ldrinfo" : {
"ldrspec" : "USGS NGP Base Specifications v2021 rev A", "ldrsens" : "Leica Terrain Mapper", "ldrmaxnr" : "15", "ldrnps" : "0.35", "ldrdens" : "8", "ldranps" : "0.35", "ldradens" : "8", "ldrfltht" : "1372", "ldrfltsp" : "160", "ldrscana" : "40", "ldrscanr" : "150", "ldrpulsr" : "1600", "ldrpulsd" : "5", "ldrpulsw" : "2.5", "ldrwavel" : "1064", "ldrmpia" : "1", "ldrbmdiv" : "0.25", "ldrswatw" : "1456", "ldrswato" : "25", "ldrgeoid" : "GEOID18" }, "ldraccur" : {
"ldrchacc" : "0", "rawnva" : "0", "rawnvan" : "0", "clsnva" : "0", "clsnvan" : "0", "clsvva" : "0", "clsvvan" : "0" }, "lasinfo" : {
"lasver" : "1.4", "lasprf" : "6", "laswheld" : "Geometrically unreliable points were identified using a combination of automated and manual techniques and subsequently classified as high or low noise and given the standard Withheld bit.", "lasolap" : "Swath "overage" points were identified in these files using the standard LAS overlap bit.", "lasintr" : "16", "lasclass" : {
"clascode" : "1", "clasitem" : "Processed but not classified" }, "lasclass" : {
"clascode" : "2", "clasitem" : "Bare earth ground" }, "lasclass" : {
"clascode" : "7", "clasitem" : "Noise" }, "lasclass" : {
"clascode" : "9", "clasitem" : "Water" }, "lasclass" : {
"clascode" : "17", "clasitem" : "Bridge decks" }, "lasclass" : {
"clascode" : "18", "clasitem" : "High noise" }, "lasclass" : {
"clascode" : "20", "clasitem" : "Ignored ground" } }} |
| DOI (Digital Object Identifier) | |
| DOI Registration Authority | |
| DOI Issue Date |
Keywords
Theme Keywords
| Thesaurus | Keyword |
|---|---|
| Global Change Master Directory (GCMD) Science Keywords | EARTH SCIENCE > LAND SURFACE > TOPOGRAPHY > TERRAIN ELEVATION |
| ISO 19115 Topic Category | elevation |
Temporal Keywords
| Thesaurus | Keyword |
|---|---|
* Spatial Keywords
| Thesaurus | Keyword |
|---|---|
| Global Change Master Directory (GCMD) Location Keywords | CONTINENT > NORTH AMERICA > UNITED STATES OF AMERICA |
| Global Change Master Directory (GCMD) Location Keywords | CONTINENT > NORTH AMERICA > UNITED STATES OF AMERICA > OHIO |
| Global Change Master Directory (GCMD) Location Keywords | VERTICAL LOCATION > LAND SURFACE |
Stratum Keywords
| Thesaurus | Keyword |
|---|---|
Instrument Keywords
| Thesaurus | Keyword |
|---|---|
| Global Change Master Directory (GCMD) Instrument Keywords | LIDAR > Light Detection and Ranging |
Platform Keywords
| Thesaurus | Keyword |
|---|---|
| Global Change Master Directory (GCMD) Platform Keywords | Airplane > Airplane |
Physical Location
| • » Organization | Office for Coastal Management |
|---|---|
| • » City | Charleston |
| • » State/Province | SC |
| • Country | |
| • » Location Description |
Data Set Information
| * Data Set Scope Code | Data Set |
|---|---|
| • Data Set Type | Elevation |
| • Maintenance Frequency | None Planned |
| Maintenance Note | |
| » Data Presentation Form | Model (digital) |
| • Entity Attribute Overview | |
| Entity Attribute Detail Citation | |
| Entity Attribute Detail URL | |
| Distribution Liability |
Any conclusions drawn from the analysis of this information are not the responsibility of NOAA, the Office for Coastal Management or its partners. |
| Data Set Credit | Woolpert, USGS |
Support Roles
| * » Support Role | Data Steward |
|---|---|
| * » Date Effective From | 2023 |
| Date Effective To | |
| Organization | NOAA Office for Coastal Management (NOAA/OCM) |
| Address |
2234 South Hobson Ave Charleston, SC 29405-2413 |
| Email Address | coastal.info@noaa.gov |
| Phone | (843) 740-1202 |
| Fax | |
| Mobile | |
| URL | https://coast.noaa.gov |
| Business Hours | |
| Contact Instructions |
| * » Support Role | Distributor |
|---|---|
| * » Date Effective From | 2023 |
| Date Effective To | |
| Organization | NOAA Office for Coastal Management (NOAA/OCM) |
| Address |
2234 South Hobson Ave Charleston, SC 29405-2413 |
| Email Address | coastal.info@noaa.gov |
| Phone | (843) 740-1202 |
| Fax | |
| Mobile | |
| URL | https://coast.noaa.gov |
| Business Hours | |
| Contact Instructions |
| * » Support Role | Distributor |
|---|---|
| * » Date Effective From | 2022 |
| Date Effective To | |
| Organization | U.S. Geological Survey |
| Address |
12201 Sunrise Valley Drive Reston, VA 20191 USA |
| Email Address | |
| Phone | |
| Fax | |
| Mobile | |
| URL | https://usgs.gov |
| Business Hours | |
| Contact Instructions |
| * » Support Role | Metadata Contact |
|---|---|
| * » Date Effective From | 2023 |
| Date Effective To | |
| Organization | NOAA Office for Coastal Management (NOAA/OCM) |
| Address |
2234 South Hobson Ave Charleston, SC 29405-2413 |
| Email Address | coastal.info@noaa.gov |
| Phone | (843) 740-1202 |
| Fax | |
| Mobile | |
| URL | https://coast.noaa.gov |
| Business Hours | |
| Contact Instructions |
| * » Support Role | Point of Contact |
|---|---|
| * » Date Effective From | 2023 |
| Date Effective To | |
| Organization | NOAA Office for Coastal Management (NOAA/OCM) |
| Address |
2234 South Hobson Ave Charleston, SC 29405-2413 |
| Email Address | coastal.info@noaa.gov |
| Phone | (843) 740-1202 |
| Fax | |
| Mobile | |
| URL | https://coast.noaa.gov |
| Business Hours | |
| Contact Instructions |
| * » Support Role | |
|---|---|
| * » Date Effective From | |
| Date Effective To | |
| * » Contact | |
| * Contact Instructions |
| * » Support Role | |
|---|---|
| * » Date Effective From | |
| Date Effective To | |
| * » Contact | |
| * Contact Instructions |
| * » Support Role | |
|---|---|
| * » Date Effective From | |
| Date Effective To | |
| * » Contact | |
| * Contact Instructions |
Extents
| Currentness Reference | Ground Condition |
|---|
Extent Group 1
| Extent Description |
|---|
Extent Group 1 / Geographic Area 1
| * » W° Bound | -82.87 |
|---|---|
| * » E° Bound | -81.57 |
| * » N° Bound | 39.97 |
| * » S° Bound | 38.83 |
| * » Description |
Block 1 (Work Unit 197533) - Includes Fairfield, Gallia, and Morgan counties |
Extent Group 1 / Vertical Extent
| EPSG Code | |
|---|---|
| Vertical Minimum | |
| Vertical Maximum |
Extent Group 1 / Time Frame 1
| * » Time Frame Type | Range |
|---|---|
| * » Start | 2020-12-11 |
| End | 2021-04-11 |
| Alternate Start As Of Info | |
| Alternate End As Of Info | |
| Description |
Dates of collection for Block 1 |
Extent Group 2
| Extent Description |
|---|
Extent Group 2 / Geographic Area 1
| * » W° Bound | -82.77 |
|---|---|
| * » E° Bound | -81.68 |
| * » N° Bound | 39.75 |
| * » S° Bound | 38.87 |
| * » Description |
Block 2 (Work Unit 224682) - Includes Athens, Hocking, Meigs, Perry, Pickaway, Ross, Vinton, Washington counties |
Extent Group 2 / Vertical Extent
| EPSG Code | |
|---|---|
| Vertical Minimum | |
| Vertical Maximum |
Extent Group 2 / Time Frame 1
| * » Time Frame Type | Range |
|---|---|
| * » Start | 2021-03-07 |
| End | 2021-04-13 |
| Alternate Start As Of Info | |
| Alternate End As Of Info | |
| Description |
Dates of collection for Block 2 |
Extent Group 3
| Extent Description |
|---|
Extent Group 3 / Geographic Area 1
| * » W° Bound | -81.85 |
|---|---|
| * » E° Bound | -80.78 |
| * » N° Bound | 39.91 |
| * » S° Bound | 39.26 |
| * » Description |
Block 3 (Work Unit 224906) - Includes Athens, Belmont, Monroe, Muskingum, Noble, and Washington counties |
Extent Group 3 / Vertical Extent
| EPSG Code | |
|---|---|
| Vertical Minimum | |
| Vertical Maximum |
Extent Group 3 / Time Frame 1
| * » Time Frame Type | Range |
|---|---|
| * » Start | 2021-01-23 |
| End | 2021-03-29 |
| Alternate Start As Of Info | |
| Alternate End As Of Info | |
| Description |
Dates of collection for Block 3 |
Extent Group 4
| Extent Description |
|---|
Extent Group 4 / Geographic Area 1
| * » W° Bound | -82.81 |
|---|---|
| * » E° Bound | -81.72 |
| * » N° Bound | 40.28 |
| * » S° Bound | 39.73 |
| * » Description |
Block 4 (Work Unit 224909) - Includes Licking, Muskingum, and Perry counties |
Extent Group 4 / Vertical Extent
| EPSG Code | |
|---|---|
| Vertical Minimum | |
| Vertical Maximum |
Extent Group 4 / Time Frame 1
| * » Time Frame Type | Range |
|---|---|
| * » Start | 2021-03-10 |
| End | 2021-04-03 |
| Alternate Start As Of Info | |
| Alternate End As Of Info | |
| Description |
Dates of collection for Block 4 |
Extent Group 5
| Extent Description |
|---|
Extent Group 5 / Geographic Area 1
| * » W° Bound | -81.74 |
|---|---|
| * » E° Bound | -80.7 |
| * » N° Bound | 40.23 |
| * » S° Bound | 39.82 |
| * » Description |
Block 5 (Work Unit 224912) - Includes Belmont and Guernsey counties |
Extent Group 5 / Vertical Extent
| EPSG Code | |
|---|---|
| Vertical Minimum | |
| Vertical Maximum |
Extent Group 5 / Time Frame 1
| * » Time Frame Type | Range |
|---|---|
| * » Start | 2021-03-21 |
| End | 2021-04-22 |
| Alternate Start As Of Info | |
| Alternate End As Of Info | |
| Description |
Dates of collection for Block 5 |
Extent Group 6
| Extent Description |
|---|
Extent Group 6 / Geographic Area 1
| * » W° Bound | -82.78 |
|---|---|
| * » E° Bound | -81.55 |
| * » N° Bound | 40.6 |
| * » S° Bound | 40.12 |
| * » Description |
Block 6 (Work Unit 224915) - Includes Coshocton, Holmes, Knox, Tuscarawas counties |
Extent Group 6 / Vertical Extent
| EPSG Code | |
|---|---|
| Vertical Minimum | |
| Vertical Maximum |
Extent Group 6 / Time Frame 1
| * » Time Frame Type | Range |
|---|---|
| * » Start | 2020-11-19 |
| End | 2021-04-05 |
| Alternate Start As Of Info | |
| Alternate End As Of Info | |
| Description |
Dates of collection for Block 6 |
Extent Group 7
| Extent Description |
|---|
Extent Group 7 / Geographic Area 1
| * » W° Bound | -81.56 |
|---|---|
| * » E° Bound | -80.59 |
| * » N° Bound | 40.6 |
| * » S° Bound | 40.15 |
| * » Description |
Block 7 (Work Unit 224919) - Includes Carroll, Harrison, Jefferson, Tuscarawas counties |
Extent Group 7 / Vertical Extent
| EPSG Code | |
|---|---|
| Vertical Minimum | |
| Vertical Maximum |
Extent Group 7 / Time Frame 1
| * » Time Frame Type | Range |
|---|---|
| * » Start | 2020-11-24 |
| End | 2021-04-19 |
| Alternate Start As Of Info | |
| Alternate End As Of Info | |
| Description |
Dates of collection for Block 7 |
Extent Group 8
| Extent Description |
|---|
Extent Group 8 / Geographic Area 1
| * » W° Bound | -82.21 |
|---|---|
| * » E° Bound | -80.51 |
| * » N° Bound | 41.13 |
| * » S° Bound | 40.57 |
| * » Description |
Block 8 (Work Unit 224925) - Includes Carroll, Columbiana, Holmes, Mahoning, Stark, Tuscarawas, and Wayne counties |
Extent Group 8 / Vertical Extent
| EPSG Code | |
|---|---|
| Vertical Minimum | |
| Vertical Maximum |
Extent Group 8 / Time Frame 1
| * » Time Frame Type | Range |
|---|---|
| * » Start | 2020-05-19 |
| End | 2021-04-19 |
| Alternate Start As Of Info | |
| Alternate End As Of Info | |
| Description |
Dates of collection for Block 8 |
Spatial Information
Spatial Resolution
| Angular Distance | |
|---|---|
| Angular Distance Units | |
| Horizontal Distance | |
| Horizontal Distance Units | |
| Vertical Distance | |
| Vertical Distance Units | |
| Equivalent Scale Denominator | |
| Level of Detail Description |
Spatial Representation
| Grid Representation Used? | No |
|---|---|
| Vector Representation Used? | Yes |
| Text / Table Representation Used? | No |
| TIN Representation Used? | No |
| Stereo Model Representation Used? | No |
| Video Representation Used? | No |
Grid Representation
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Axis Dimension |
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Axis Dimension |
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Vector Representation
| Topology Level | |
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| Complex Object Present? | |
| Complex Object Count | |
| Composite Object Present? | |
| Composite Object Count | |
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| Curve Object Count | |
| Point Object Present? | |
| Point Object Count | |
| Solid Object Present? | |
| Solid Object Count | |
| Surface Object Present? | |
| Surface Object Count |
Reference Systems
Reference System
| EPSG Code | EPSG:3857 | ||||||||||||||||||||||||||||
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Horizontal Resolution |
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Vertical Resolution |
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Reference System
| EPSG Code | EPSG:5703 | ||||||||||||||||||||||||||||
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Horizontal Resolution |
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Vertical Resolution |
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Reference System
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Horizontal Resolution |
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Vertical Resolution |
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Access Information
| Data License | |
|---|---|
| Data License URL | |
| Data License Statement | |
| * » Security Class | Unclassified |
| * Security Classification System | |
| Security Handling Description | |
| • Data Access Policy | |
| » Data Access Procedure |
Data is available online for bulk and custom downloads. |
| • » Data Access Constraints |
None |
| • Data Use Constraints |
Users should be aware that temporal changes may have occurred since this data set was collected and some parts of this data may no longer represent actual surface conditions. Users should not use this data for critical applications without a full awareness of its limitations. |
| Metadata Access Constraints | |
| Metadata Use Constraints |
Distribution Information
| Start Date | 2023-06-05 |
|---|---|
| End Date | Present |
| » Download URL | https://coast.noaa.gov/dataviewer/#/lidar/search/where:ID=9845/details/9845 |
| Distributor | NOAA Office for Coastal Management (NOAA/OCM) (2023 - Present) |
| File Name | Customized Download |
| Description |
Create custom data files by choosing data area, product type, map projection, file format, datum, etc. A new metadata will be produced to reflect your request using this record as a base. Change to an orthometric vertical datum is one of the many options. |
| File Date/Time | |
| File Type (Deprecated) | Zip |
| Distribution Format | |
| File Size | |
| Application Version | |
| Compression | Zip |
| Review Status |
| Start Date | 2022 |
|---|---|
| End Date | Present |
| » Download URL | https://rockyweb.usgs.gov/vdelivery/Datasets/Staged/Elevation/LPC/Projects/OH_Statewide_Phase2_2020_B20/ |
| Distributor | U.S. Geological Survey (2022 - Present) |
| File Name | Bulk Download |
| Description |
Bulk download of data files in LAZ format, Ohio State Plane North or South NAD83(2011), US survey feet coordinates and NAVD88 (Geoid18) heights in feet . |
| File Date/Time | |
| File Type (Deprecated) | LAZ |
| Distribution Format | LAS/LAZ - LASer |
| File Size | |
| Application Version | |
| Compression | Zip |
| Review Status |
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Archive Information
| Location | |
|---|---|
| File Identifier | |
| File Name | |
| URL | |
| Description | |
| DOI | |
| Archive Date | |
| Archive Update Frequency |
| Location | |
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| URL | |
| Description | |
| DOI | |
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URLs
| URL | https://coast.noaa.gov/dataviewer/ |
|---|---|
| Name | NOAA's Office for Coastal Management (OCM) Data Access Viewer (DAV) |
| URL Type | Online Resource |
| File Resource Format | HTML |
| Description |
The Data Access Viewer (DAV) allows a user to search for and download elevation, imagery, and land cover data for the coastal U.S. and its territories. The data, hosted by the NOAA Office for Coastal Management, can be customized and requested for free download through a checkout interface. An email provides a link to the customized data, while the original data set is available through a link within the viewer. |
| URL | https://rockyweb.usgs.gov/vdelivery/Datasets/Staged/Elevation/metadata/OH_Statewide_Phase2_2020_B20/USGS_OH_Statewide_Phase2_2020_B20_Project_Report.pdf |
|---|---|
| Name | USGS Project Report |
| URL Type | Online Resource |
| File Resource Format | |
| Description |
Link to the USGS Project Report that provides information about the project, vertical accuracy results, and the point classes and sensors used. |
| URL | https://rockyweb.usgs.gov/vdelivery/Datasets/Staged/Elevation/metadata/OH_Statewide_Phase2_2020_B20/ |
|---|---|
| Name | USGS Additional Info |
| URL Type | Online Resource |
| File Resource Format | |
| Description |
Link to the reports, breaklines, metadata, and spatial metadata. |
| URL | https://rockyweb.usgs.gov/vdelivery/Datasets/Staged/Elevation/metadata/OH_Statewide_Phase2_2020_B20/OH_Statewide_Phase2_1_2020/reports/OH_Statewide_Phase_2_197536_WU_197533.pdf |
|---|---|
| Name | Lidar Report - Block 1 (Work Unit 197533) |
| URL Type | Online Resource |
| File Resource Format | |
| Description |
Link to the Woolpert lidar report for Block 1 (Work Unit 197533). |
| URL | https://rockyweb.usgs.gov/vdelivery/Datasets/Staged/Elevation/metadata/OH_Statewide_Phase2_2020_B20/OH_Statewide_Phase2_2_2020/reports/OH_Statewide_Phase_2_197536_WU_224682.pdf |
|---|---|
| Name | Lidar Report - Block 2 (Work Unit 224682) |
| URL Type | Online Resource |
| File Resource Format | |
| Description |
Link to the Woolpert lidar report for Block 2 (Work Unit 224682). |
| URL | https://rockyweb.usgs.gov/vdelivery/Datasets/Staged/Elevation/metadata/OH_Statewide_Phase2_2020_B20/OH_Statewide_Phase2_3_2020/reports/OH_Statewide_Phase_2_197536_WU_224906.pdf |
|---|---|
| Name | Lidar Report - Block 3 (Work Unit 224906) |
| URL Type | Online Resource |
| File Resource Format | |
| Description |
Link to the Woolpert lidar report for Block 3 (Work Unit 224906). |
| URL | https://rockyweb.usgs.gov/vdelivery/Datasets/Staged/Elevation/metadata/OH_Statewide_Phase2_2020_B20/OH_Statewide_Phase2_4_2020/reports/OH_Statewide_Phase_2_197536_WU224909.pdf |
|---|---|
| Name | Lidar Report - Block 4 (Work Unit 224909) |
| URL Type | Online Resource |
| File Resource Format | |
| Description |
Link to the Woolpert lidar report for Block 4 (Work Unit 224909). |
| URL | https://rockyweb.usgs.gov/vdelivery/Datasets/Staged/Elevation/metadata/OH_Statewide_Phase2_2020_B20/OH_Statewide_Phase2_5_2020/reports/OH_Statewide_Phase_2_197536_WU_224912.pdf |
|---|---|
| Name | Lidar Report - Block 5 (Work Unit 224912) |
| URL Type | Online Resource |
| File Resource Format | |
| Description |
Link to the Woolpert lidar report for Block 5 (Work Unit 224912). |
| URL | https://rockyweb.usgs.gov/vdelivery/Datasets/Staged/Elevation/metadata/OH_Statewide_Phase2_2020_B20/OH_Statewide_Phase2_6_2020/reports/OH_Statewide_Phase_2_197536_WU_224915.pdf |
|---|---|
| Name | Lidar Report - Block 6 (Work Unit 224915) |
| URL Type | Online Resource |
| File Resource Format | |
| Description |
Link to the Woolpert lidar report for Block 6 (Work Unit 224915). |
| URL | https://rockyweb.usgs.gov/vdelivery/Datasets/Staged/Elevation/metadata/OH_Statewide_Phase2_2020_B20/OH_Statewide_Phase2_7_2020/reports/OH_Statewide_Phase_2_197536_WU_224919.pdf |
|---|---|
| Name | Lidar Report - Block 7 (Work Unit 224919) |
| URL Type | Online Resource |
| File Resource Format | |
| Description |
Link to the Woolpert lidar report for Block 7 (Work Unit 224919). |
| URL | https://rockyweb.usgs.gov/vdelivery/Datasets/Staged/Elevation/metadata/OH_Statewide_Phase2_2020_B20/OH_Statewide_Phase2_8_2020/reports/OH_Statewide_Phase_2_197536_WU_224925.pdf |
|---|---|
| Name | Lidar Report - Block 8 (Work Unit 224925) |
| URL Type | Online Resource |
| File Resource Format | |
| Description |
Link to the Woolpert lidar report for Block 8 (Work Unit 224925). |
| URL | https://s3-us-west-2.amazonaws.com/usgs-lidar-public/OH_Statewide_Phase2_1_2020/ept.json |
|---|---|
| Name | USGS Entwine Point Tile (EPT) - Block 1 |
| URL Type | Online Resource |
| File Resource Format | json |
| Description |
Entwine Point Tile (EPT) is a simple and flexible octree-based storage format for point cloud data. The data is organized in such a way that the data can be reasonably streamed over the internet, pulling only the points you need. EPT files can be queried to return a subset of the points that give you a representation of the area. As you zoom further in, you are requesting higher and higher densities. A dataset in EPT will contain a lot of files, however, the ept.json file describes all the rest. The EPT file can be used in Potree and QGIS to view the point cloud. |
| URL | https://s3-us-west-2.amazonaws.com/usgs-lidar-public/OH_Statewide_Phase2_2_2020/ept.json |
|---|---|
| Name | USGS Entwine Point Tile (EPT) - Block 2 |
| URL Type | Online Resource |
| File Resource Format | json |
| Description |
Entwine Point Tile (EPT) is a simple and flexible octree-based storage format for point cloud data. The data is organized in such a way that the data can be reasonably streamed over the internet, pulling only the points you need. EPT files can be queried to return a subset of the points that give you a representation of the area. As you zoom further in, you are requesting higher and higher densities. A dataset in EPT will contain a lot of files, however, the ept.json file describes all the rest. The EPT file can be used in Potree and QGIS to view the point cloud. |
| URL | https://s3-us-west-2.amazonaws.com/usgs-lidar-public/OH_Statewide_Phase2_3_2020/ept.json |
|---|---|
| Name | USGS Entwine Point Tile (EPT) - Block 3 |
| URL Type | Online Resource |
| File Resource Format | json |
| Description |
Entwine Point Tile (EPT) is a simple and flexible octree-based storage format for point cloud data. The data is organized in such a way that the data can be reasonably streamed over the internet, pulling only the points you need. EPT files can be queried to return a subset of the points that give you a representation of the area. As you zoom further in, you are requesting higher and higher densities. A dataset in EPT will contain a lot of files, however, the ept.json file describes all the rest. The EPT file can be used in Potree and QGIS to view the point cloud. |
| URL | https://s3-us-west-2.amazonaws.com/usgs-lidar-public/OH_Statewide_Phase2_4_2020/ept.json |
|---|---|
| Name | USGS Entwine Point Tile (EPT) - Block 4 |
| URL Type | Online Resource |
| File Resource Format | json |
| Description |
Entwine Point Tile (EPT) is a simple and flexible octree-based storage format for point cloud data. The data is organized in such a way that the data can be reasonably streamed over the internet, pulling only the points you need. EPT files can be queried to return a subset of the points that give you a representation of the area. As you zoom further in, you are requesting higher and higher densities. A dataset in EPT will contain a lot of files, however, the ept.json file describes all the rest. The EPT file can be used in Potree and QGIS to view the point cloud. |
| URL | https://s3-us-west-2.amazonaws.com/usgs-lidar-public/OH_Statewide_Phase2_5_2020/ept.json |
|---|---|
| Name | USGS Entwine Point Tile (EPT) - Block 5 |
| URL Type | Online Resource |
| File Resource Format | json |
| Description |
Entwine Point Tile (EPT) is a simple and flexible octree-based storage format for point cloud data. The data is organized in such a way that the data can be reasonably streamed over the internet, pulling only the points you need. EPT files can be queried to return a subset of the points that give you a representation of the area. As you zoom further in, you are requesting higher and higher densities. A dataset in EPT will contain a lot of files, however, the ept.json file describes all the rest. The EPT file can be used in Potree and QGIS to view the point cloud. |
| URL | https://s3-us-west-2.amazonaws.com/usgs-lidar-public/OH_Statewide_Phase2_6_2020/ept.json |
|---|---|
| Name | USGS Entwine Point Tile (EPT) - Block 6 |
| URL Type | Online Resource |
| File Resource Format | json |
| Description |
Entwine Point Tile (EPT) is a simple and flexible octree-based storage format for point cloud data. The data is organized in such a way that the data can be reasonably streamed over the internet, pulling only the points you need. EPT files can be queried to return a subset of the points that give you a representation of the area. As you zoom further in, you are requesting higher and higher densities. A dataset in EPT will contain a lot of files, however, the ept.json file describes all the rest. The EPT file can be used in Potree and QGIS to view the point cloud. |
| URL | https://s3-us-west-2.amazonaws.com/usgs-lidar-public/OH_Statewide_Phase2_7_2020/ept.json |
|---|---|
| Name | USGS Entwine Point Tile (EPT) - Block 7 |
| URL Type | Online Resource |
| File Resource Format | json |
| Description |
Entwine Point Tile (EPT) is a simple and flexible octree-based storage format for point cloud data. The data is organized in such a way that the data can be reasonably streamed over the internet, pulling only the points you need. EPT files can be queried to return a subset of the points that give you a representation of the area. As you zoom further in, you are requesting higher and higher densities. A dataset in EPT will contain a lot of files, however, the ept.json file describes all the rest. The EPT file can be used in Potree and QGIS to view the point cloud. |
| URL | https://s3-us-west-2.amazonaws.com/usgs-lidar-public/OH_Statewide_Phase2_8_2020/ept.json |
|---|---|
| Name | USGS Entwine Point Tile (EPT) - Block 8 |
| URL Type | Online Resource |
| File Resource Format | json |
| Description |
Entwine Point Tile (EPT) is a simple and flexible octree-based storage format for point cloud data. The data is organized in such a way that the data can be reasonably streamed over the internet, pulling only the points you need. EPT files can be queried to return a subset of the points that give you a representation of the area. As you zoom further in, you are requesting higher and higher densities. A dataset in EPT will contain a lot of files, however, the ept.json file describes all the rest. The EPT file can be used in Potree and QGIS to view the point cloud. |
| URL | https://usgs.entwine.io/data/view.html?r=[%22https://s3-us-west-2.amazonaws.com/usgs-lidar-public/OH_Statewide_Phase2_1_2020/ept.json%22,%22https://s3-us-west-2.amazonaws.com/usgs-lidar-public/OH_Statewide_Phase2_2_2020/ept.json%22,%22https://s3-us-west-2.amazonaws.com/usgs-lidar-public/OH_Statewide_Phase2_3_2020/ept.json%22,%22https://s3-us-west-2.amazonaws.com/usgs-lidar-public/OH_Statewide_Phase2_4_2020/ept.json%22,%22https://s3-us-west-2.amazonaws.com/usgs-lidar-public/OH_Statewide_Phase2_5_2020/ept.json%22,%22https://s3-us-west-2.amazonaws.com/usgs-lidar-public/OH_Statewide_Phase2_6_2020/ept.json%22,%22https://s3-us-west-2.amazonaws.com/usgs-lidar-public/OH_Statewide_Phase2_7_2020/ept.json%22,%22https://s3-us-west-2.amazonaws.com/usgs-lidar-public/OH_Statewide_Phase2_8_2020/ept.json%22] |
|---|---|
| Name | USGS 3D View |
| URL Type | Online Resource |
| File Resource Format | |
| Description |
Link to view the point cloud, using the Entwine Point Tile (EPT) format, in the 3D Potree viewer. |
| URL | |
|---|---|
| Name | |
| URL Type | |
| File Resource Format | |
| Description |
| URL | |
|---|---|
| Name | |
| URL Type | |
| File Resource Format | |
| Description |
| URL | |
|---|---|
| Name | |
| URL Type | |
| File Resource Format | |
| Description |
Activity Log
| Activity Time | |
|---|---|
| Activity Type | |
| Responsible Party | |
| Description |
| Activity Time | |
|---|---|
| Activity Type | |
| Responsible Party | |
| Description |
| Activity Time | |
|---|---|
| Activity Type | |
| Responsible Party | |
| Description |
Issues
| Issue Date | |
|---|---|
| Author | |
| Issue |
| Issue Date | |
|---|---|
| Author | |
| Issue |
| Issue Date | |
|---|---|
| Author | |
| Issue |
Technical Environment
| Description |
Microsoft Windows 10 Version 1803 (Build 17134.1304); ArcMap 10.7; ArcCatalog 10.7; TerraScan ver. 20; TerraModeler ver. 20; LP360 v2019.1.30.4. |
|---|
Data Quality
| Representativeness | |
|---|---|
| Accuracy | |
| Analytical Accuracy | |
| Horizontal Positional Accuracy |
Block 1 The data set was produced to meet ASPRS Positional Accuracy Standards for Digital Geospatial Data (2014) for a 0.101 ft (3.1 cm) RMSEx / RMSEy Horizontal Accuracy Class which equates to Positional Horizontal Accuracy = +/- 0.250 ft (7.62 cm) at a 95% confidence level. Blocks 2 - 8 The data set was produced to meet ASPRS Positional Accuracy Standards for Digital Geospatial Data (2014) for a 14.8 cm RMSEx / RMSEy Horizontal Accuracy Class which equates to Positional Horizontal Accuracy = +/- 36.3 cm at a 95% confidence level. |
| Vertical Positional Accuracy |
This data set was produced to meet ASPRS Positional Accuracy Standard for Digital Geospatial Data (2014) for a 10-cm RMSEz Vertical Accuracy Class. USGS Determined Vertical Accuracy: Non-Vegetated Vertical Accuracy (NVA) = 7.56 cm at 95% Confidence Level or 3.86 cm RMSE Vegetated Vertical Accuracy (VVA) = 15.33 cm at 95th Percentile |
| Quantitation Limits | |
| Bias | |
| Comparability | |
| Completeness Measure | |
| Precision | |
| Analytical Precision | |
| Field Precision | |
| Sensitivity | |
| Detection Limit | |
| Completeness Report |
These LAS data files include all data points collected. No points have been removed or excluded. A visual qualitative assessment was performed to ensure data completeness. No void areas or missing data exist. |
| Conceptual Consistency |
Data covers the entire area specified for this project. |
| » Quality Control Procedures Employed |
Data Management
| » Have Resources for Management of these Data Been Identified? | Yes |
|---|---|
| » Approximate Percentage of Budget for these Data Devoted to Data Management | Unknown |
| » Do these Data Comply with the Data Access Directive? | Yes |
| » Is Access to the Data Limited Based on an Approved Waiver? | |
| » If Distributor (Data Hosting Service) is Needed, Please Indicate | |
| » Approximate Delay Between Data Collection and Dissemination | |
| » If Delay is Longer than Latency of Automated Processing, Indicate Under What Authority Data Access is Delayed | |
| » Actual or Planned Long-Term Data Archive Location | NCEI-CO |
| » Approximate Delay Between Data Collection and Archiving | |
| » How Will the Data Be Protected from Accidental or Malicious Modification or Deletion Prior to Receipt by the Archive? |
Data is backed up to tape and to cloud storage. |
Lineage
| » Lineage Statement |
The NOAA Office for Coastal Management (OCM) ingested references to the USGS Entwine Point Tile (EPT) files hosted on Amazon Web Services (AWS) into the Digital Coast Data Access Viewer (DAV). The DAV accesses the point cloud as it resides on AWS under the usgs-lidar-public-container. |
|---|
Sources
| Citation Title | USGS AWS Entwine Point Tile (EPT) |
|---|---|
| Contact Role Type | Publisher |
| Contact Type | Organization |
| Contact Name | USGS |
| Publish Date | |
| Extent Type | |
| Extent Start Date/Time | |
| Extent End Date/Time | |
| Scale Denominator | |
| Citation URL | https://s3-us-west-2.amazonaws.com/usgs-lidar-public/OH_Statewide_Phase2_2_2020/ept.json |
| Citation URL Name | Entwine Point Tile for OH_Statewide_Phase2_2_2020 |
| Citation URL Description | |
| Source Contribution |
| Citation Title | USGS AWS Entwine Point Tile (EPT) |
|---|---|
| Contact Role Type | Publisher |
| Contact Type | Organization |
| Contact Name | USGS |
| Publish Date | |
| Extent Type | |
| Extent Start Date/Time | |
| Extent End Date/Time | |
| Scale Denominator | |
| Citation URL | https://s3-us-west-2.amazonaws.com/usgs-lidar-public/OH_Statewide_Phase2_1_2020/ept.json |
| Citation URL Name | Entwine Point Tile for OH_Statewide_Phase2_1_2020 |
| Citation URL Description | |
| Source Contribution |
| Citation Title | USGS AWS Entwine Point Tile (EPT) |
|---|---|
| Contact Role Type | Publisher |
| Contact Type | Organization |
| Contact Name | USGS |
| Publish Date | |
| Extent Type | |
| Extent Start Date/Time | |
| Extent End Date/Time | |
| Scale Denominator | |
| Citation URL | https://s3-us-west-2.amazonaws.com/usgs-lidar-public/OH_Statewide_Phase2_3_2020/ept.json |
| Citation URL Name | Entwine Point Tile for OH_Statewide_Phase2_3_2020 |
| Citation URL Description | |
| Source Contribution |
| Citation Title | USGS AWS Entwine Point Tile (EPT) |
|---|---|
| Contact Role Type | Publisher |
| Contact Type | Organization |
| Contact Name | USGS |
| Publish Date | |
| Extent Type | |
| Extent Start Date/Time | |
| Extent End Date/Time | |
| Scale Denominator | |
| Citation URL | https://s3-us-west-2.amazonaws.com/usgs-lidar-public/OH_Statewide_Phase2_8_2020/ept.json |
| Citation URL Name | Entwine Point Tile for OH_Statewide_Phase2_8_2020 |
| Citation URL Description | |
| Source Contribution |
| Citation Title | USGS AWS Entwine Point Tile (EPT) |
|---|---|
| Contact Role Type | Publisher |
| Contact Type | Organization |
| Contact Name | USGS |
| Publish Date | |
| Extent Type | |
| Extent Start Date/Time | |
| Extent End Date/Time | |
| Scale Denominator | |
| Citation URL | https://s3-us-west-2.amazonaws.com/usgs-lidar-public/OH_Statewide_Phase2_5_2020/ept.json |
| Citation URL Name | Entwine Point Tile for OH_Statewide_Phase2_5_2020 |
| Citation URL Description | |
| Source Contribution |
| Citation Title | USGS AWS Entwine Point Tile (EPT) |
|---|---|
| Contact Role Type | Publisher |
| Contact Type | Organization |
| Contact Name | USGS |
| Publish Date | |
| Extent Type | |
| Extent Start Date/Time | |
| Extent End Date/Time | |
| Scale Denominator | |
| Citation URL | https://s3-us-west-2.amazonaws.com/usgs-lidar-public/OH_Statewide_Phase2_6_2020/ept.json |
| Citation URL Name | Entwine Point Tile for OH_Statewide_Phase2_6_2020 |
| Citation URL Description | |
| Source Contribution |
| Citation Title | USGS AWS Entwine Point Tile (EPT) |
|---|---|
| Contact Role Type | Publisher |
| Contact Type | Organization |
| Contact Name | USGS |
| Publish Date | |
| Extent Type | |
| Extent Start Date/Time | |
| Extent End Date/Time | |
| Scale Denominator | |
| Citation URL | https://s3-us-west-2.amazonaws.com/usgs-lidar-public/OH_Statewide_Phase2_7_2020/ept.json |
| Citation URL Name | Entwine Point Tile for OH_Statewide_Phase2_7_2020 |
| Citation URL Description | |
| Source Contribution |
| Citation Title | USGS AWS Entwine Point Tile (EPT) |
|---|---|
| Contact Role Type | Publisher |
| Contact Type | Organization |
| Contact Name | USGS |
| Publish Date | |
| Extent Type | |
| Extent Start Date/Time | |
| Extent End Date/Time | |
| Scale Denominator | |
| Citation URL | https://s3-us-west-2.amazonaws.com/usgs-lidar-public/OH_Statewide_Phase2_4_2020/ept.json |
| Citation URL Name | Entwine Point Tile for OH_Statewide_Phase2_4_2020 |
| Citation URL Description | |
| Source Contribution |
| Citation Title | |
|---|---|
| Contact Role Type | |
| Contact Type | |
| Contact Name | |
| Publish Date | |
| Extent Type | |
| Extent Start Date/Time | |
| Extent End Date/Time | |
| Citation URL | |
| Citation URL Name | |
| Citation URL Description | |
| Scale Denominator |
| Citation Title | |
|---|---|
| Contact Role Type | |
| Contact Type | |
| Contact Name | |
| Publish Date | |
| Extent Type | |
| Extent Start Date/Time | |
| Extent End Date/Time | |
| Citation URL | |
| Citation URL Name | |
| Citation URL Description | |
| Scale Denominator |
| Citation Title | |
|---|---|
| Contact Role Type | |
| Contact Type | |
| Contact Name | |
| Publish Date | |
| Extent Type | |
| Extent Start Date/Time | |
| Extent End Date/Time | |
| Citation URL | |
| Citation URL Name | |
| Citation URL Description | |
| Scale Denominator |
Process Steps
| Process Step Number | 1 |
|---|---|
| » Description |
Lidar Point Cloud Classification: The point cloud underwent a classification process to determine bare-earth points and non-ground points utilizing "first and only" as well as "last of many" lidar returns. This process determined Processed, but Unclassified (Class 1), Bare Earth Ground (Class 2), Low Noise (Class 7), Water (Class 9), Bridge Decks (Class 17), High Noise (Class 18), and Ignored Ground (Class 20). The bare-earth (Class 2 - Ground) lidar points underwent a manual QA/QC step to verify the quality of the DEM as well as a peer-based QC review. This included a review of the DEM surface to remove artifacts and ensure topographic quality. After the bare-earth surface is finalized, it is then used to generate all hydro-breaklines through a semi-automated process. All ground (Class 2) lidar data inside of the Lake Pond and Double Line Drain hydro flattening breaklines were then classified to water (Class 9) using TerraScan/LP360 macro functionality. A buffer of 0.7 meters was also used around each hydro-flattened feature to classify these ground (Class 2) points to Ignored Ground (Class 20). All Lake Pond Island and Double Line Drain Island features were checked to ensure that the ground (Class 2) points were reclassified to the correct classification after the automated classification was completed. These processes were reviewed and accepted by USGS through numerous conference calls and pilot study areas. All data was manually reviewed and any remaining artifacts removed using functionality provided by TerraScan and TerraModeler. Global Mapper was used as a final check of the bare earth dataset. GeoCue was then used to create the deliverable industry-standard LAS files. Woolpert proprietary software and LP360 was used to perform final statistical analysis of the classes in the LAS files, on a per tile level to verify final classification metrics and full LAS header information. |
| Process Date/Time | 2022-05-20 00:00:00 |
| Process Contact | |
| Phone (Voice) | |
| Email Address | |
| Source |
| Process Step Number | 2 |
|---|---|
| » Description |
Original point clouds in LAS/LAZ format were restructured as Entwine Point Tiles and stored on Amazon Web Services. The data were re-projected horizontally to WGS84 web mercator (EPSG 3857) and the vertical units were converted to meters (NAVD88 Geoid18). |
| Process Date/Time | |
| Process Contact | U.S. Geological Survey |
| Phone (Voice) | |
| Email Address | |
| Source |
| Process Step Number | 3 |
|---|---|
| » Description |
The NOAA Office for Coastal Management (OCM) created references to the Entwine Point Tile (EPT) files that were ingested into the NOAA Digital Coast Data Access Viewer (DAV). No changes were made to the data. The DAV will access the point cloud as it resides on Amazon Web Services (AWS) under the usgs-lidar-public container. These are the AWS URLs being accessed: https://s3-us-west-2.amazonaws.com/usgs-lidar-public/OH_Statewide_Phase2_1_2020/ept.json https://s3-us-west-2.amazonaws.com/usgs-lidar-public/OH_Statewide_Phase2_2_2020/ept.json https://s3-us-west-2.amazonaws.com/usgs-lidar-public/OH_Statewide_Phase2_3_2020/ept.json https://s3-us-west-2.amazonaws.com/usgs-lidar-public/OH_Statewide_Phase2_4_2020/ept.json https://s3-us-west-2.amazonaws.com/usgs-lidar-public/OH_Statewide_Phase2_5_2020/ept.json https://s3-us-west-2.amazonaws.com/usgs-lidar-public/OH_Statewide_Phase2_6_2020/ept.json https://s3-us-west-2.amazonaws.com/usgs-lidar-public/OH_Statewide_Phase2_7_2020/ept.json https://s3-us-west-2.amazonaws.com/usgs-lidar-public/OH_Statewide_Phase2_8_2020/ept.json |
| Process Date/Time | 2023-06-06 00:00:00 |
| Process Contact | Office for Coastal Management (OCM) |
| Phone (Voice) | |
| Email Address | |
| Source |
| Process Step Number | |
|---|---|
| » Description | |
| Process Date/Time | |
| Process Contact | |
| Phone (Voice) | |
| Email Address | |
| Source |
| Process Step Number | |
|---|---|
| » Description | |
| Process Date/Time | |
| Process Contact | |
| Phone (Voice) | |
| Email Address | |
| Source |
| Process Step Number | |
|---|---|
| » Description | |
| Process Date/Time | |
| Process Contact | |
| Phone (Voice) | |
| Email Address | |
| Source |
Acquisition Information
Instruments
| Instrument Unavailable Reason |
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| Description |
| Identifier | |
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| Description |
Platforms
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FAQs
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| Question | |
| Answer |
Child Items
Rubric scores updated every 15m
| Score | Type | Title |
|---|---|---|
Related Items
| Item Type | Relationship Type | Title |
|---|---|---|
Catalog Details
| Catalog Item ID | 70095 |
|---|---|
| Metadata Record Created By | Rebecca Mataosky |
| Metadata Record Created | 2023-06-05 20:45+0000 |
| Metadata Record Last Modified By | Rebecca Mataosky |
| » Metadata Record Last Modified | 2024-07-31 18:54+0000 |
| Metadata Record Published | 2023-06-07 |
| Owner Org | OCMP |
| Metadata Publication Status | Published Externally |
| Do Not Publish? | N |
| Metadata Workflow State | Published / External |
| Metadata Last Review Date | 2023-06-07 |
| Metadata Review Frequency | 1 Year |
| Metadata Next Review Date | 2024-06-07 |
| Tags |
|---|