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

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

1860

Dixon, Joseph

1:750k

Southern Idaho.

1882

Cram, George Franklin

1:2m

Idaho.

1875

Cram Atlas Company

1:1m

Post Route Map of the State of Idaho Showing Post Offices ... July 1, 1938.

1938

United States. Post Office Department

1:766k

Oregon.

1924

Rand McNally and Company

Highway Map of the State of Oregon.

1938

Thomas Brothers

1:1m

Oregon.

1889

Rand McNally and Company

1:1m

Idaho

1909

Rand McNally and Company

1:2m