Clark, M. L. <br/><br/>
Environmental characteristics and water quality of hydrologic benchmark network stations in the west-central United States, 1963-95 / 
by Melanie L. Clark, Cheryl A. Eddy-Miller, and M. Alisa Mast. 
 - Reston, Va. :  Denver, CO :  U.S. Dept. of the Interior, U.S. Geological Survey ;  Free on application to the U.S. Geological Survey, Information Services,  2000. 
 - x, 115 p. :  ill., maps ;  28 cm. 
 - U.S. Geological Survey circular ;  1173-C .
<br/><br/> Shipping list no.: 2001-0004-P. 
<br/><br/>Includes bibliographical references (p. 100-103). 
<br/><br/><label>ISBN: </label>0607932724 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Hydrology--West (U.S.)<br/>Water quality--West (U.S.)