Leonard, B. F. <br/><br/>
Dating a 20th-century fault, Elk Summit talus apron, Big Creek area, Valley County, Idaho / 
by B. F. Leonard and Roger Rosentreter 
 - Washington D. C :  U. S. Government Printing Office,  1994. 
 - iii, 13 p. :  ill 
 - U.S. Geological Survey Bulletin ;  2101 .
<br/><br/> PTSL :