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Mouth of Columbia River, 1851

A nautical map of the “Mouth of Columbia River / from a preliminary survey under the direction of A.D. Bache, Superintendent of the Survey of the Coast of the United States by the hydrographic party under the command of W.P. McArthur Lt. U.S.N. and Asst. U.S. Coast Survey, W.A. Bartlett Lt. U.S.N. Assistant ; reduction for engraving by A. Boschke, draughtsman ; engraved by W. Smith and E.F. Woodward.” Includes inset: View of the Entrance of Columbia River, Cape Hancock or Disappointment E. by N. (compass) 12 statute miles. Relief shown by hachures. Depths shown by soundings and isolines. Includes text on "sailing directions" and "tides." Handwritten note of graphic scale by George Davidson is erroneous.Scale 1:40,000. Item has also been identified as bb017545.

United States Coast Survey

Entrance to Columbia River, Oregon / triangulation by R.D. Cutts ; topography by A.M. Harrison ; hydrography by the party under the command of Lieut. James Alden ; redd. drng. by J.J. Ricketts & A. Lindenkohl ; engg. by G.B. Metzeroth, C.A. Knight & App. R.F. Bartle, 1854

A map of the entrance to the Columbia River. Relief is shown by hachures. Water depths are shown by soundings. The map includes sailing directions and a table of tides.

United States Coast Survey