{ "culture": "en-US", "name": "", "guid": "", "catalogPath": "", "snippet": "", "description": "SOURCE: nhd.usgs.govACQUIRED: 2014Nov10 - IFWIS ccoulterThis data set is a complete digital hydrologic unit boundary layer to the Subwatershed (12-digit) 6th level for the coterminous United States. This data set consists of geo-referenced digital data and associated attributes created in accordance with the \"FGDC Proposal, Version 1.0 - Federal Standards For Delineation of Hydrologic Unit Boundaries 3/01/02\"(http://www.ftw.nrcs.usda.gov/huc_data.html). Polygons are attributed with hydrologic unit codes for 4th level sub-basins, 5th level watersheds, 6th level subwatersheds, name, size, downstream hydrologic unit, type of watershed, non-contributing areas and flow modification. Arcs are attributed with the highest hydrologic unit code for each watershed, linesource and a metadata reference file.", "summary": "", "title": "HUC6", "tags": [], "type": "", "typeKeywords": [], "thumbnail": "", "url": "", "minScale": 0, "maxScale": 0, "spatialReference": "", "accessInformation": "Natural Resources Conservation Service", "licenseInfo": "", "portalUrl": "" }