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AGROSS UVALDE COUNTY ABOUT S MLLES WEST OF UVALDE (SAYRE) 
N 
DIAGRAMMATIC SECTIO 
Quaternary gravels and sands not shown 
. S. GEOLOGICAL SURVEY 
BULLETIN 845 SHEET 11 
Ss , 
100 30 100 
Texas 
EXPLANATION 
A Gravel and sand (alluvium and high terrace deposits) 90’+ Quaternary 
Sandstone; lay, Indio 140’+ Eien 
coal, and limestone (underlain to SE. by Midway in places) 
C Sandstone and clay Escondido. 100-200’ 
Upper part grading into 
Limestone aseugie: ee Miguel to SW. 
D 00-400’ | Upper Cretaceous 
Shale (west of longitude 100° 15’) = Upson (Gulf series) 
r\3/ E Chalk ustin 350-400’ 
ie : 0? nume ik 2 F Limestone, slabby Eagle Ford 75-140’ 
5 ad \ { | 7 },0 fai Unconformity 
j. L 1] Batt {Limestone Buda 60-75’ 
° : : ~~ "4 ae ep ’ 
= te H esi 3 vad awe G {Clay Del Rio Washita group 50-60 tie Cretaceous 29 
F ! BS H_ Limestone, massive, blue Georgetown 150’+ { (Comanche series) 30° 
y | x > PES 1 Limestone, massive, partly cherty Edwards Fredericksburg group 500’+ 
j o G J Igneous rocks (intrusive) i ! : 
& : (mostly diabase) Geology: East of longitude 100° 30° by T. W. Vaughan, 1896-1899 
recesempsemicn) ST) Z 
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Scale 500,000 
linch-8 milés (approximately) 
1@) & IO 15 20 MILES 
, ee Pa, a MILOMETERS 
ntour interval 100 feet 
Datum 1s mean see feve/ 
The distances from New Orleans, L re shown every 
10 miles, and the crossties are drawn 1 mile apart 
Each quadrangle shown on the map with a name in parentheses 
in the lower left corner is mapped in detail on the U. S. G. § 
topographic map of that name 
30 100° 
Topography: U. S. Geological Survey quadran, 
and Del Rio sheet 423, Engineer Corps, U. 
ace a erent 
WILLIAMS @ HEINTZ CO. WASH.D.C. 
le maps 
S. Army 
