U. S. GEOLOGICAL SURVEY BULLETIN 845 SHEET 18 
107 106 30° New Mexico-Texas 
T 
5 EXPLANATION ° 
Re Pd 
7 Rae _|32, 
Sand and gravel 2,000’* Quaternary 30 
(valley fill) 
and other rocks 1,200’* Quaternary and 
of Lec her origin Tertiary 
C_ Shale, limestone, and 300’ Upper Cretaceous 
sandstone 
D Limestone 300’* Lower Cretaceous 
E Limestones 3,000’+ Carboniferous (and 
—— 9 asc 
F Limestone === Fusselman 1,000’ Silurian 
G _Limestones Montoya and 1,400’ Ordovician 
El! Paso 
H_ Sandstone Bliss Cambrian 
| Granite Post-Carbonferous 
(possibly in part 
J Rhyolite porphyr pre-Cambrian) 
lla K Quartit ces YYW 1,500’ : 
pe Algonkian (?) 
ee] 1,800’5  post-Cretaceous 
Cambra 
cao s——- Faulk 
co J, =--= Concealed fault 
‘ if J Geology of Franklin Mtn. 
J by G. B. Richardson 
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oat ee <a | sonerernenerene San Jase 
Contour interval 200 feet Each eter shown on the map with a name in parentheses 3) 
The distances from New Orleans, La., are shown every in the lower left corner is — in detail on the U. §. G. 8. ro Ys letal 
10 miles, and the phe are ori e mile apart topographic map of that s 
107 106 30 
te ee veename in 
Topography: U.S. Geological Survey quadrangle maps er ee 
