U.S. GEOLOGICAL SURVEY 
CHARLES D. WALCOTT, DIRECTOR 
BULLETIN NO.309 PL.XX 
Section A-B 
Section C~ D 
.c V.*,oC'c' 3-V.o‘o; 
C>.‘o. o’.C j? 
>:© '.c?'. oTo ‘o ;< 5 * 
Alluvium an(1 Quaternary 
Fernando sandstone and shale 
Puente shale 
Scale 
1 / 
7 2 
OiL sands 
Puente sandstone 
1 m_ile 
=S 
GEOLOGIC STRUCTURE SECTIONS THROUGH LOS ANGELES OIL FI ELDS, CALIFORNIA 
\ I \ < 
Granitic rocks 
For-locution of sections see-Pl.XVHI. 
A HOEN 8. CC SALT ."MORE 
