IMPORTANT PAPERS ON THE GEOGRAPHY, GEOLOGY, 
AND HISTORY OF THE REGION TRAVERSED BY THE 
NORTHERN PACIFIC RAILWAY. 
MINNESOTA. ; 
Coves, Exuiorr, The explorations of Zebulon M. Pike, vol. 1, New York, 1895. 
NORTH DAKOTA. 
t, ©. M., and Wrtarp, D. E., U. 8. Geol. Survey Geol. Atlas, Casselton-Fargo 
“folio (No. iy 1905. 
Lronarp, A. G., U. 8S. Geol. Survey Geol. Atlas, Bismarck folio (No. 181), 1912. 
Lzonarp, A. G., and Surrs, C. D., The Sentinel Butte — field, North Dakota 
and Montana: U.S. Geol. Survey Bull. 341, pp. 15-35, 1 
Topp, J. E., The moraines of the Missouri Coteau and their aden deposits: U. 8. 
Geol. Sarvey Bull. 144, 1896. 
Urnam, Warren, The glacial Lake Agassiz: U. 8. Geol. Survey Mon. 25, 1896. 
Wrtarp, D. E., U.S. Geol. Survey Geol. Atlas, Jamestown-Tower folio (No. 168), 
1909 
MONTANA. 
seen Josep, Geology of the Marysville mining district, Mont.: U. 8. Geol. 
y Prof. Paper 57, 1907. 
CALKINS, “P. C., and MacDonazp, D. F., A geological reconnaissance in northern 
Idaho and northwestern Montana: UW: s. Geol. Survey Bull. 384, 1909. 
Catvert, W. R., Geology of eed ages fields in eastern Montana: U. 8. Geol. 
Survey Bull. 471, pp. 187-201, 1 
The Livingston and Trail eck coal fields, Park, —— and Sweetgrass 
counties, Mont.: U. 8. Geol. Survey Bull. 471, pp. 384-405, 
The Electric coal field, Park County, Mont.: U.S. Geol. coe Bull. 471, pp. 
406-422, 1912. 
Se H. M., The Yellowstone National Park: Cincinnati, The Robert Clarke 
Co., 
OorizER, oe as and Smrrx, C. D., The Miles City coal field, Mont.: U. 8. Geol. 
Survey Bull. 341, pp. 36-61, 1909. 
Hacue, ArNnotp, WEED, W. H., and Ipp1ves, J. vt U.S. Geol. Survey Geol. Atlas, 
a: National Park folio (No. 30), 18 
Hance, J , The Glendive — field, oe County, Mont.: U. S. Geol. Sur- 
vey A Tl, pp. 271-283, 1912 
Ippines, J. P., and Weep, W. H., U. S. Geol. Survey Geol. Atlas, Livingston folio 
Kworr, Apotrn, Ore deposits of the Helena mining region, Mont.: U.S. Geol. Survey 
Bull. 527, 1913. 
Parper, J. T., Coal in the Tertiary ne beds of southwestern Montana: U. 8. Geol. 
— The glacial Lake Missoula, Jour  dintiey vol. 18, pp. 376-386, 19 
Prate, A. C., U. 8. Geol. Survey ers Atlas, Threeforks folio (No. 24), ts 
— R. W., and eagle W. R., Stratigraphic relations of the veka io for- 
wysete cy, eeaetnguietiied of noeth 
Bull., vol. 17, pp- 1-28, 1906. 
ambrian fossiliferous us formations: Geol. Soc. America Bull., vol. 10, pp. 
199-244, 1899. 
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