E. Washington, N. Idaho.

1909

American Engraving Co.

1:2m

Road map of Washington

1940

Rand McNally and Company

1:1m

Oregon.

1948

Hammond, C.S.

1:1m

History of the Pacific States of North America

1882

Bancroft, Hubert Howe.

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

1846

Preuss, Charles

1:634k

E. Wash.-Idaho Region.

1909

American Engraving Co.

1:3m

Spokane Country.

1909

Spokane Chamber of Commerce

1:2m

Washington

1885

Bradstreet Company

1:6m

Southern Idaho.

1882

Cram, George Franklin

1:2m

Washington

1893

Wood Brothers

1:3m