U.S. GEOLOGICAL SURVEY 
BULLETIN No. 200 PL.I 
Based on map used by Death Valley cwTTTPti >* a"d 
Expedition of Agricultural Department in 1891 Siv ^ ' *-'»~L MJ\f 
Geology by M R Campbell 
MOHAVE DESERT AND DEATH VALLEY 
showing location of known areas of Tertiary lake beds and old sedimentaiy rocks 
,- . Scale 
o s 10 20 3 40 so miles 
Teniarvlakeb.Mj.s Koute of travel 
OM sedimentary rooks 
IUS BIEN & CO. 
