44716 Complete chain Entity Published / External 40539 Prince William Sound, Alaska ESI: HYDRO (Hydrology) Data Set Completed The data layer HYDRO contains polygonal water and land features, as well as linear features for rivers and streams. The HYDRO data layer contains all annotation used in producing the atlas. The annotation features are categorized into three subclasses in order to simplify the mapping and quality control procedures: geog or geographic features, soc or socioeconomic features, and hydro or water features. | Description Source: Research Planning, Inc. Converted from FGDC using 'fgdc_to_inport_xml_entity.pl' script. 1 Line VARCHAR No No Active Type of geographical feature | Description Source: Research Planning, Inc. F: Flat | G: Glacier | H: Hydrography or stream features | I: Index | M: Marsh | S: Shoreline | 2 Source_id VARCHAR No No Active Data source for the ESI | Description Source: Research Planning, Inc. 1: British Petroleum's HYD_POLY coverage | 2: Research Planning ESI Codes from overflight | 5: Digitized from scanned 1:63,360 USGS topographic quadrangle | 6: National Wildlife Inventory shoreline | 7: Research Planning - index | 8: Digitized from digital National Wildlife Inventory shorelines | 10: Ed Owens digital, coded shoreline | gov.noaa.nmfs.inport:44716 Tyler Christensen 2017-04-06T11:42:16 SysAdmin InPortAdmin 2022-08-09T17:11:31 2017-08-07 Office of Response and Restoration ORR 1002 Public No 2017-08-07 1 Year 2018-08-07