Water quality in the nation’s streams and aquifers : overview of selected findings, 1991-2001 /
by Pixie A. Hamilton, Timothy L. Miller, and Donna N. Myers.
- [Reston, Virginia]: U. S. Geological Survey, U. S. Department of the Interior [2004].
- 20 p. : ill. (some col.), col. maps ; 28 cm.
- 1265 .
Includes bibligraphical references (p. 20).
0607966041
Water quality--United States Groundwater--Quality--United States Water--Pollution--United States Groundwater--Pollution--United States