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|All Authors / Contributors:||United States. War Department Bureau of Topographical Engineers.; Oregon Historical Society.|
|Notes:||Relief shown by shading.
Based upon a number of surveys and exploration as listed under "authorities" on the map.
Reproduced from the archives of the Oregon Historical Society.
|Description:||1 map ; on sheet 59 x 89 cm|
|Responsibility:||compiled in the Bureau of Topog. L Eng. RS chiefly for military purposes by order of John B. Floyd, Sec. of War, 1859.|