National Water-Quality Assessment (NAWQA) Study-Unit Investigations in the conterminous United States 1991-2001
By: K.J. Hitt and N. Nakagaki
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Abstract
This is a coverage of the boundaries and codes used for the U.S. Geological Survey's National Water-Quality Assessment (NAWQA) Program Study-Unit investigations in the conterminous United States, excluding the High Plains Regional Ground-Water Study. The data set represents the areas studied during the first decade of the NAWQA Program, from 1991-2001 ("cycle 1").
Study Area
| Publication type | Report |
|---|---|
| Publication Subtype | USGS Unnumbered Series |
| Title | National Water-Quality Assessment (NAWQA) Study-Unit Investigations in the conterminous United States 1991-2001 |
| DOI | 10.3133/70046917 |
| Edition | 6.1 |
| Year Published | 2006 |
| Language | English |
| Publisher | U.S. Geological Survey |
| 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 |