U. S. GEOLOGICAL SURVEY 
BULLETIN 845 SHEET 28 
Sheet 29 
a) 
Po 
L 
ey 
eh. 
dn California 
EXPLANATION 
A Sand and gravel (valley fill and t deposits, A’) Quaternary 
B Sandstone, shale, and conglomerate Pliocene and Miocene 
C Granite, schist, dionte, ete. Pre-Jurassic 
D Basalt (a Pliocene 
—-— Fault 
--- Concealed fault 
Geol 
D. 
54.9 By aE 
nei? y7he 
SN LAE 
irae SINS 
1 
Scale 500,000 
| inch=8 miles (approximately) 
S 10 15 
5 15 
Contour interval 200 feet 
mn 1s mean sea eve! 
The distances from New Orleans, La., are shown every 
70 miles, and the crossties are drawn 1 mile apart 
Each quadrangle shown on the ma; i 
in th eft corner is m 
e lower apped in detail on the U. 8. G. 8. 
topographic map of that name 
L 
20 MILES 
20 KILOMETERS 
ogy by F. E. Vaughan, G. A. Waring, 
M. Frazer, W. J. Miller, and others 
N7 
Topography: U. S. Geological Survey quadrangle maps 
WILLIAMS & HEINTZ CO. WASH. 0 C 
