(Map 12 - Montana, North Dakota).

1878

U.S. General Land Office

1:1m

No.13, Telegraphs : British Columbia, Yukon and Alberta

1906

Canada. Department of Interior

1:2m

Manitoba, Saskatchewan and Alberta railway territories

1915

Chalifour, J.E.

1:2m

Ore., Wash., Idaho, Mont.

1870

Mitchell, Samuel Augustus

1:4m

Map of Alberta, Assiniboia, Athabasca and Saskatchewan

1901

Murray-Aaron, Eugene, 1852-1941.

1:1m

Adventures of the first Settlers on the Oregon or Columbia River: being a narrative of the expedition fitted out by J. J. Astor to establish the “Pacific Fur Company”; with an account of some Indian Tribes on the coast of the Pacific

1849

ROSS, Alexander of the “Pacific Fur Company.”

Washington and Oregon (and Idaho and Montana)

1857

Colton, G.W.

1:4m

Gunner Jingo's Jubilee

1893

STRANGE, Thomas Bland.

Map of Oregon, Washington, Idaho, and part of Montana

1868

Mitchell, Samuel Augustus Jr.

1:4m

Washington And Oregon.

1856

Colton, G.W.

1:4m