Nilsen, Tor Helge <br/><br/>
Influence of rainfall and ancient landslide deposits on recent landslides (1950-71) in urban areas of Contra Costa County, California / 
by Tor H. Nilsen and Barbara L. Turner 
 - Washington, D.C. :  United States Government Printing Office,  1975 
 - iii, 18 p. :  ill. (2 fold. in pocket) ;  24 cm. 
 - Geological Survey bulletin ; 1388 .
<br/><br/>Bibliography: p. 17-18 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Landslides--California--Contra Costa Co.<br/>Rain and rainfall--California--Contra Costa Co.
<br/><br/><label>Dewey Class. No.: </label>557.9463