Chart of the Columbia River for 90 miles from its mouth, 1838
- G4242.C62 1838 .E94
- Item
- 1838
Part of OHS Maps Collection
A navigational map, “Chart of the Columbia River for 90 miles from its mouth [cartographic material] / drawn from several surveys in the possession of W.A. Slacum ; by M.C. Ewing.” Relief shown by hachures. Depths shown by soundings. Oriented with north to the left. Profiles: Cape Disappointment N.N.E. by compass distance 10 miles -- Cape Disappointment N.N.E. 6 miles. "S. Doc. No. 470. 25 Con. 2d S." Series: Senate document (United States. Congress. Senate) ; 25th Congress, 2d session, no. 470. Imaged map dissected and mounted on cloth backing. Item has also been identified as bb017535.
Ewing, Maskell C.