GEOLOGIC AND TOPOGRAPHIC MAP 
OF THE 
NORTHERN PACIFIC ROUTE 
From St. Paul, Minnesota, to Seattle, Washington 
Base compiled from United States Geological Survey Atlas 
e North Pa 
ps eee collected with the assistance of this ¢ 
UNITED STATES ceca: SURVEY 
GEORGE OTIS SMITH, DIRECTOR 
David White, Chief Geologist " R. B. Marshall, Chief Geographer 
1915 
a yeryenesid ager on the map with a naine in parenthesis in the 
wer left corne apped in detail on the U. S. G. 
S. Topographic 
ar et of that 
BULLETIN 611 
SHEET No. 12 
10730 107° Saat 3 MONTANA 
z ae Spee PRES, et formaue-— ] a 
. 8 a ae Yejensietie © U- ae 9 $ <4 
\ Sj i An. 
\ : shale) in ; 
\ cp ANN _& 2 i 
as 22 2 > 
2 —— ‘S 
Ss An SC SYK 
ee a te ritte. 
osebud 
. EL. 250/ 
00 C 
P ‘ ' Fs 
2 oo é t 
3 to A elects ee r ri B 
4 of = ; ' ? 
a ' 1 K f 
= noe } B - \ © 
+: N if : H 
i 2 ee 
4 
\ 
uM 
i“ 
| 
aa 
Be 
ai 
; 4 
ee Hi I 
| si a 46 
46 = t 46 
: EXPLANATION . 
= 7 
tm Say Thickness ? 
LE in feet 5 en 
= sar ce eee ee as A Stream deposits (alluvium) Quaternary ; $ 
i j . 
B Aa { } B Dark shale with some sands’ } t 
oi &! an and ap of lignite (Lebo tule = ; } a 
% 2) ‘ | j of Fort Union formation) 150 Tertiary j PS 
} = / 
ay eet ig SF C Sandstone and shale, with thin beds ; » 
(ee STs eee of coal (Lance formation)” 1,100 Tertiary (7?) i 
Q | 1 ‘e } 
at! ‘\ at v 
Vi : \ ee D Dark shale, marine deposit (Bearpaw) 900) f 
j ; — A 
2 = t E White sandstone and shale, marine a Upper eg 
‘a ; ey deposits (Judith River formation) 200f Cretaceous s 
Bad ports + bel | ive ei 
iy “el : oe F Shale and sandstone, marine deposits | R pa 
iN Whatcha SC (Claggett formation) 600 | d pats 
{\ —— ce 
\j te see / 
\\ Bae 3 1 R a 
NN i ey. Scale 500,000 Pe 
Dy Oi Approximately 8 miles to ! inch Ps 
= Se AS eae ee. ee / 
PEE Ss, i) 10 20 3 30Kilometers j 
yeh f 
2 ers Contour —— fap feet Pa 
Dd = 2 MEAN SEA LEVEL ‘ 
4 bl 
\ a The di: fi St. Paul, Minnesota. 10 ‘ ‘3 
The crossties on the railroads are spaced | mile apart ee 
¢ 
CrowAgency 
So 
Es Custer 
e Battlefield 
¢ \ Se a 
« \ Re te ke 
106'30° 
