The Effects of ground water, slope stability, and seismic hazard on the stability of the South Fork Castle Creek blockage in the Mount St. Helens area, Washington / 
by William Meyer...[et al.]. 
 - Washington:   U. S. Government Printing Office,   1985.  
 - iv, 42 p. :  ill., diagr., maps, tables ;  29 cm. 
 -  1345 .
<br/><br/>Includes bibliographical references (p. 41-42). 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Landslides--Washington (United States)--Castle Creek, South Fork<br/>Slopes (Soil mechanics)--Washington (United States)--Castle Creek, South Fork
<br/><br/><label>Subjects--Geographic Terms: </label><br/>Saint Helens, Mount (Washington)--Eruption--1980
<br/><br/><label>Dewey Class. No.: </label>551.3530979784