William Slacum’s Chart of the Columbia River 1837
As a spy in the Oregon Territory, and a Navy man, William A. Slacum was tasked with documenting the possessions of the British, but he also worked extensively…
Tag: chinook’ clackamas
As a spy in the Oregon Territory, and a Navy man, William A. Slacum was tasked with documenting the possessions of the British, but he also worked extensively…