Helley, Edward J. <br/><br/>
Historic flood information for northern California streams from geological and botanical evidence / 
by Edward J. Helley and Valmore C. LaMarche 
 - Washington :  United States Geological Survey,  1973 
 - iii, E16 p. :  ill., fold. map (in pocket) ;  29 cm. 
 - Geological Survey. Professional paper ;  485-E .
<br/><br/> Prepared in cooperation with the California Department of Water Resources 
<br/><br/>Bibliography: p. E15-E16 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Floods--California<br/>Geology--California<br/>Plants--California
<br/><br/><label>Dewey Class. No.: </label>551.4809794