Collier, Michael. <br/><br/>
Dams and rivers :  a primer on the downstream effects of dams / 
by Michael Collier, Robert H. Webb, and John C. Schmidt. 
 - Tucson, Ariz. :  Denver, CO :  U.S. Dept. of the Interior, U.S. Geological Survey ;  U.S. Geological Survey, Branch of Information Services [distributor,  1996] 
 - iii, 94 p. :  ill. (some col.), col. maps ;  28 cm. 
 - U.S. Geological Survey circular ;  1126 .
 - Circular (Geological Survey (U.S.)) ;  1126. .
<br/><br/> 'June 1996.' 
<br/><br/>Includes bibliographical references (p. 89-94). 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Dams--Environmental aspects--United States--Case studies<br/>Rivers--Case studies.--United States<br/>Dams--Environmental aspects.
<br/><br/><label>LC Class. No.: </label>QE75  TD195.D35  / .C5 no. 1126