Hotz, Preston Enslow  1913- <br/><br/>
Geology of Lode Gold Districts in the Klamath Mountains, California and Oregón / 
By Preston E. Hotz. 
 -- Washington :   United States Government Printing Office,   1971 
 - 91 p. + 1 plan. pleg. -- 
 (Geological Survey Bulletin  ; 1290).
<br/><br/> Fecha real de registro 16-08-1971 
<br/><br/><label>Subjects--Topical Terms: </label><br/>California<br/>Geología<br/>Oregon
<br/><br/><label>Universal Decimal Class. No.: </label>55(794+795)