Holnbeck, Stephen R. <br/><br/>
Procedures for estimating unit hydrographs for large floods at ungaged sites in Montana / 
by Stephen R. Holnbeck and Charles Parrett. 
 - [Washington, D.C.] :  U.S. G.P.O. ; ,  1996. 
 - v, 60 p. :  ill., maps ;  28 cm. 
 - U.S. Geological Survey water-supply paper ;  2420 .
<br/><br/> 'Prepared in cooperation with the Montana Department of Natural Resources and Conservation.' 
<br/><br/>Includes bibliographical references (p. 36-37). 
<br/><br/><label>Dewey Class. No.: </label>551.48/9