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Gilbert, J. J. Hydrography of Columbia River : head of Puget Island to head of Crim's Island / surveyed by J.J. Gilbert, asst. ; F. Westdahl and T.P. Woodward, aids ; U.S. Coast Survey, C.P. Patterson supdt.
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Oregon Historical Society Research Library |
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Gilbert, J. J. Hydrography of Columbia River : head of Puget Island to head of Crim's Island / surveyed by J.J. Gilbert, asst. F. Westdahl and T.P. Woodward, aids ; U.S. Coast Survey, C.P. Patterson supdt.
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Oregon Historical Society Research Library |
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Dickins, E. F. Coos Bay, Oregon : topography [and] hydrography / surveyed by E.F. Dickins & F. Westdahl ; U.S. Coast and Geodetic Survey, T.C. Mendenhall, superintendent.
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Oregon Historical Society Research Library |
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Westdahl, Ferdinand. [Map of Siuslaw River from sea to Florence, Oregon].
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Oregon Historical Society Research Library |
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Davidson, George, 1825-1911. Transit of Venus station, Cerro Roblero, New Mexico : map showing the triangulation to connect the transit [delta] with telegraphic longitude [delta] Fort Selden / George Davidson ; Ferdinand Westdahl, draughtsman.
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UC Berkeley Libraries |
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Gilbert, J. J. Hydrography of Columbia River : Cathlamet Point to head of Puget Island / surveyed by J.J. Gilbert, asst. and F. Westdahl, aid. ; U.S. Coast Survey, C.P. Patterson supdt.
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Oregon Historical Society Research Library |
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Lyell, G. A. Entrance to Coos Bay, Oregon / by G.A. Lyell, under the direction of Captain W. Young, Corps of Engineers, U.S.A.
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Oregon Historical Society Research Library |
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| creatorOf |
Gilbert, J. J. Hydrography of Columbia River : Cathlamet Point to head of Puget Island / surveyed by J.J. Gilbert, asst. and F. Westdahl, aid. ; U.S. Coast Survey, C.P. Patterson supdt.
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Oregon Historical Society Research Library |
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Sengteller, L. A. (Louis A.). Topography, Umpquah [sic] River including Gardiner City, Oregon : sheet 2 : executed from September 1st 1885 to October 2nd / by Louis A. Sengteller ; tracing by Ferdinand Westdahl ; U.S. Coast and Geodetic Survey, F.M. Thorn, superintendent.
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Oregon Historical Society Research Library |
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