U. S. GEOLOGICAL SURVEY BULLETIN 707 SHEET No. 9 
_ Sheet No 10 UTAH 10°30" 
We a 
GEOLOGIC AND TOPOGRAPHIC MAP 
OF THE 
RIO GRANDE ROUTE 
From Denver, Colorado, to Salt Lake City, Utah 
Compiled “pare Se — Geological Survey atlas 
sheets and reports, ailroad alinements and pro- 
files eupplied by the I pane & Rio Grande Western 
Railroad additional information col- 
lected with ‘the assistance of that company 
PREPARED UNDER THE DIRECTION OF 
GEORGE OTIS SMITH, DIRECTOR 
DAVID WHITE, Chief Geologist Cc. H. BIRDSEYE, Chief Topographic Engineer 
M. R. CAMPBELL, Geologist A.C, noe. Topographer 
1922 
EXPLANATION 
-) 
ee 
B iui sear at se pee repedaneen stage and the WMideisesiin 
—E White shale and sandstone (Green River formation) 2,600 
Tertiary 
p Red shale, sandstone, and coarse conglomerate (Eocene) 500 
(Wasatch formation) 1, 
4s Sandstone, shale, and coal beds (Mesaverde formation) 1,400 
y Dark ee Sertee ete (Mancos jrtonyaal Be —— part Upper Cretaceous 3,600 
M_ Brown sandstone (Dakota sandstone) 40 [so 
n° Variegated shale and sandstone (McElmo Cretaceous?) 1,800 
formation and La Plata sandstone) and Jurassic : 
Scale 
© Limestone and sandstone Jurassic Approximately ce ah to 1 inch os 
P  Bright-red sandstone and shale Triassic 0 5 10 15 Kilometers 
foe oe ) ee 
Q Limestone, sandstone, and shale Carboniferous Siccuees dite bheee tite nse Bevel 
oi The crossties , a me vote g pre apart. 
cinet hada by &. W. Berry 
Iso" WW 
