description:
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This dataset includes subwatersheds (12-digit HU) that are contained by a subbasin that overlaps the 16-county NCTCOG region. This dataset 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.fgdc.gov/standards/projects/FGDC-standards-projects/hydro-unit-boundaries/ ). For original metadata, go to http://datagateway.nrcs.usda.gov/. This dataset was downloaded from http://nhd.usgs.gov/data.html and processed but otherwise unaltered. This file is for reference use only. NCTCOG and its members are not responsible for errors or inaccuracies in the file. |