Environmentl characteristics and water qualityof hydrologic benchmark network stations in the nwest-central United States / by Melanie L. Clark [and others]
Series: U.S. Geological Survey.  Circular 1173-C
Publisher: Dept. of the Interior
Place of publication: Washington
Language: eng
Number of pages: 115
Subjects: Hydrology - United States, Western; Water quality - United States, Western
Notes: 11