Mast, M. Alisa. <br/><br/>
Environmental characteristics and water quality of hydrologic benchmark network stations in the western United States, 1963-95 
by M. Alisa Mast and David W. Clow. 
 - Reston, Va.  Denver, CO  U.S. Dept. of the Interior, U.S. Geological Survey  Free on application to the USGS Information Services  2000. 
 - x, 114 p.  ill., maps  28 cm. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Hydrology--History.--West (U.S.)<br/>Water quality--History.--West (U.S.)
<br/><br/><label>Dewey Class. No.: </label>551.480978  / M4231e