from a trigonometrical survey made under the direction of A.D. Bache, Superintendent of the Survey of the Coast of the United States ; triangulation by G.A. Fairfield and A.F. Rodgers, assts., Coast Survey ; topography by A.F. Rodgers, assistant ; hydrography by the party under the command of James Alden, Comdr., U.S.N. asst. Depths shown by soundings and shading. Covers Petaluma River from Petaluma to San Pablo Bay; covers Napa River from Napa to Vallejo. "Engd. by A. Petersen." Soundings in feet. Petaluma Creek map oriented with north toward the upper right. Inset map: Continuation of Napa Creek. Includes text and tables.
Creator:
Bache, A. D. (Alexander Dallas), 1806-1867 and Alden, James, 1810-1877
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