1:2,000,000-scale Hydrologic Units of the United States
By: John Watermolen
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Abstract
This file contains hydrologic unit boundaries and codes for the conterminous United States along with Alaska, Hawaii, Puerto Rico and the U.S. Virgin Islands. It was revised for inclusion in the National Atlas of the United States of America, and updated to match the streams file created by the USGS National Mapping Division (NMD) for the National Atlas of the United States of America. For the most current data and information relating to hydrologic unit codes (HUCs) please see http://water.usgs.gov/GIS/huc.html. The Watershed Boundary Dataset (WBD) is the most current data available for watershed delineation. See http://www.nrcs.usda.gov/wps/portal/nrcs/main/national/water/watersheds/dataset
Study Area
| Publication type | Report |
|---|---|
| Publication Subtype | USGS Unnumbered Series |
| Title | 1:2,000,000-scale Hydrologic Units of the United States |
| DOI | 10.3133/70046628 |
| Edition | Version 2.0 |
| Year Published | 1999 |
| Language | English |
| Publisher | U.S. Geological Service |
| Publisher location | Reston, VA |
| Description | Dataset |
| Country | United States |
| Online Only (Y/N) | Y |
| Additional Online Files (Y/N) | N |
| Google Analytic Metrics | Metrics page |