Sailing charts. Map 839.C5,1838 Ewing, M. C.
Chart of the Columbia River for 90 miles from its mouth. Drawn from several surveys in the possession of W. A. Slacum U.S. N, [ Washington. 1838.] Size, 1534 X 834 inches. Scale (computed), 4.1 miles to 1 inch. 2 profiles. Cut from Senate Document No. 470. 25th Congress, 2d Session. Report of the Select Committee, to which was referred a bill to authorize the President of the United States to occupy the Oregon Territory [*C227.5.5].
[This work is kept on the Special Libraries Floor.]
This card was printed at the Boston
Public Library, January 25, 1911. H4728 — Columbia River. — Sailing charts.