GEOLOGIC AND Nii aaa MAP 
NORTHERN PACIFIC ROUTE 
From St. Paul, Minnesota, to Seattle, Washington 
aa compiled from United States Geological Survey Atlas 
Shee railroad alignments a profiles supplied by 
the eihach Pacific Railway Company a rem additional 
information collected with the actin of this company 
UNITED STATES GEOLOGICAL SURVEY 
GEORGE OTIS SMITH, DIRECTOR 
R. B. Marshall, Chief Geographer 
1915 
David White, Chief Geologist 
name in parenthesis in the 
S. G. S. Topographic 
E. map w 
lower ‘left corner is nie in aes on “ U. 
Sheet of that name. 
SHEET No. 21 
BULLETIN 611° 
ee ° - -_---- 
11730 NT iolewi WASHINGTON 
| Gi? 
| 
| 
EXPLANATION 
Thickness 
| in feet 
| A Glacial outwash gravel and sand tern 
| B Lava flows (Yakima aoe Tertiary 
ae i limestone (Newland) 4,800) 
G Quartzite and shale “aval quartzite) 8,000 
H_ Bluish piabaaar ess e 
(Prichard fo ba 8,000. Algonkian 
In places formations F, G, and H Spat secies) 
have not been ted and the 
— led simply Belt ] 
J ate gneiss, and schist 
>» Priest Riv 
fad { 
C's 
Olz 
ale <_ a 
Approximately 8 miles to | inch = 
\ ; _ 20Miles 
A Ee = i ty 
1 o- , aS 10 iS ‘ 20 v4) 30Kilometers 
Contour interval 200 feet 
ELEVATIONS IN FEET ABOVE MEAN SEA LEVEL 
i f St. Pau] Minnesota. 
The crossties on the railroads are spaced ! mile apart 
rt 
{ si it CO 
4 as 
FE US .emousetcel suntey 
BNGRAVERO ANG PRNTES Ay 
