U. S. GEOLOGICAL SURVEY 
BULLETIN 845 SHEET 22 
10°30" Arizona 
T 
2000 \ 
A 
Sheet 23 
-Iran mMOnW>Y 
EXPLANATION 
Sand, gravel (valley fill) 
Lava, tuffs, and other voleanie products 
Sandstone and shale 
Limestone = 
Limestone and shale ZZ 
(underlain in ie a8 — brisket 
Quartzite. 
nite 
Porphyry, granite, and other i 
intrusive rocks 
Geology by N. H. Darton, F. C. Schrader, and C. F. Tolman 
Tornado 
Martin 
Abrigo 
Apache 
800’ Quaternary 
900’ Tertiary 
1,700’ Lower Cretaceous 
) : ; 
, jCarbonifeous 
f 1,300 —— 
450’ Cambrian 
700’ Algonkian 
Pre-Cambrian 
Pre-Cambrian and later 
Post-Cretaceous 
(in greater part) 
Rillite a 
aS 
Ree 2069 | | 
/ x a Res 2156 
/ 4 : 
/ \8) 
Sie: 
f ) = f 
3 A C 
‘ 
\ \ aedert or 
Contour interval 200 feet 
et distances from New Orleans, La., are snown ee 
0 miles, and the crossties are drawn 1 mile apart 
— eusdrange shown on the map with a 
ame in ES 
in the lower left corner is s mad in deta on the U. S. G. 8. 
ra ae map of that 
321 Scale 500,000 
linch=8 miles (approximately) 
ie] S ie} 15 20 MILES 
2) 15 20 KILOMETERS 
oo 
Topography: U. S. Geological Survey quadrangle maps 
WILLIAMS & HEINTZ CO., WASH. D.C 
