Klepper, Montis Ruhl  1915- <br/><br/>
Geology of the southern Elkhorn mountains Jefferson and Broadwater Counties, Montana / 
by M.R. Klepper, R.A. Weeks and E.T. Ruppel. 
 -- Washington :   United States Government Printing Office,   1957 
 - 82 p. + 1 map. -- 
 (Geological Survey Professional Paper  ; 292).
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geología<br/>Montana
<br/><br/><label>Universal Decimal Class. No.: </label>55(786)