Map of the Gold Regions of the Frazer River and the Washington Territory on the Western Coast of America. By J. Wyld
1858|London
NW Sheet:The Pacific States
1866|Bancroft, H.H.1:1 500 000
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.”
Bancroft's Map Of Oregon, Washington, Idaho, Montana And British Columbia.