GEOLOGIC AND TOPOGRAPHIC MAP 
NORTHERN PACIFIC ROUTE 
From St. Paul, Minnesota, to Seattle, Washington 
Base compiled from United States Geological Survey Atlas 
from railroad alignments and ion supplied by 
Pacific Railway Company and 
information collected with the assistance of this company 
UNITED STATES GEOLOGICAL SURVEY 
GEORGE OTIS SMITH, DIRECTOR 
David White, Chief Geologist R. B. Marshall, Chief Geographer 
1915 
with a name in parenthesis in the 
pony bh 
lower ‘left corner is ner in pow on the U. S. G. S. Topographic 
Sheei of that n 
BULLETIN 611 SHEET No. 8 
102 %0’ 102° NORTH DAKOTA 
EXPLANATION 
Loose surface materials 
A Stream deposits (alluvium 
nie of the railway nse = sg ssid 
nts of drift, indicating that ‘e-Wise ae Quaternary 
7 ise ecg extended toward ny Br = re lends 
Al ive! s far as Almont, Glenullen and Hebr | 
is? 
7° ‘ a 
Underlying rocks 
a 
Thickness 
| in feet 
B seas and shale, — beds of 
nite (Fort Un a on formation) 500 Tertiary 
( Sa = ea and shale nball 
| ~~ marine sien of item z inne tion 300 Tertiary (7?) 
: ae e 
1 fo matic 
Ny igs 
wa ha} , aN 
Sk. Richardton Sw G} S 
= S £1.268 \y / rs \ > 
1 laf ‘ - iy Na “Fort Union § formation B 3 
v De. S R - Ve " . 
© aie: é \. Se) j 34) A New Salem < 
& 222135 ee 3 wt SPAMS 
Hn SY ele { , Py FN : é 
en a Vy ly \ } } es ead 
AREY 0 Si “a = “iat 3 | — 5 qt - 
(i eee CARES A > ) \ Blue Grass 
A sie BSS) a ~~ Ee £4.206/ 
/ USS ae 
¥v 8 } 
\ Jf 
Fort Unidn formation B [(Y 
= 
\ 
Q 
Pn ae 
L 
} 
\ 
a 
\ 
1 i. ~ 
Scale 500,000 } 
Approximately 8 miles to | inch i im. ‘rer \ 
Fk de oe are e. bho ees \ 20Miles VAL ce \ ia wet 
- NN "ited A 
° . a — 
LBs 30kitometers CAVE Aa 
Contour interval 200 fee wi 
ELEVATIONS IN FEET AN nde LEVEL 
Th from St. Paul, Minnesota h 
ue" The crossties on the ra:iroads are spaced } mile apart a 
30 ee 
102°30 Oe" ¢ 1010’ 
cad SESSA 
