GEOLOGIC AND TOPOGRAPHIC MAP 
OF THE 
NORTHERN PACIFIC ROUTE 
From St. Paul, Minnesota, to Seattle, Washington 
Base compiled from United States Geological Survey Atlas 
Sheets, from railroad — — profiles supplied by 
the Northern Pacific Railw ompany and from additional 
information collected with the Sabres eo this company 
UNITED STATES GEOLOGICAL SURVEY 
GEORGE OTIS SMITH, DIRECTOR 
David White, Chief Geologist R. B. Marshall, Chief Geographer 
1915 
Each map with a naine in parenthesis in the 
lower ‘left napnee is iodeteeceae in detail on the U. S. G. S. Fopographic 
Sheet of that na. 
BULLETIN 611 
SHEET No. 1 
46) 
30 
10600" 
Scale 500,00 
Approximately 8 miles to 1 inch 
te ony gn Pg ae a ee en 
190 5 10 is 20 25 30Kilometers 
i i gg PS ee as ae a 
Contour pears) 200 feet 
ELEVATIONS IN FEE VE MEAN SEA LEVEL 
The distances from St. Pau!. Minnesota. are sh ‘y 10 
cv 
Th oe. a } i Ze) 
N 
or 
= 
+ 
D | ¢ 
wll 
5 EXPLANATION 
| Thickriess 
in feet 
A — deposits (alluvium) ternary 
d shale, with beds of lignite 
ee part of Fort Dune foreiation) 850 
C. Dark shale with some sandstone and Tertiary 
of lignite (1 of 
Fort Union rondo 0 to 340 
D Sandstone and shale, with thin beds : 
of lignite (Lance formation) 140.‘ Tertiary (7) 
46" aed 
18) 
ci 
ay! 
form ation 
MONTANA | 
Sheet No./O 
By 
“Union 
P] 
‘Ort 
a 
106 00’ 
1 
105'30° 
" SNGRAVED AND PRINTED BY THE U.S.GEGLOSICAL SURVEY 
