Physiographic Diagram of the Seven Devils Mountains and Hells Canyon, Idaho and Oregon.

1982

Austin, William A.

Panoramic perspective of the Spokane Region including the geological and scenic wonderland embracing the Grand Coulee Dam as it will appear when the development is completed.

1939

Spokane Chamber of Commerce

Eastern part of Oregon

1899

Cram, George Franklin, 1841-1928

1:755k

Road map of Washington

1940

Rand McNally and Company

1:1m

Eastern part of Washington

1899

Cram, George Franklin, 1841-1928

1:765k

Oregon.

1948

Hammond, C.S.

1:1m

Map Of The Road From Missouri To Oregon ... Section VII.

1846

Preuss, Charles

1:634k

Spokane Country.

1909

Spokane Chamber of Commerce

1:2m

History of the Pacific States of North America

1882

Bancroft, Hubert Howe.

Map Showing the Routes travelled by the Command Of Majr. E. Steen

1860

Dixon, Joseph

1:750k