Treasury Department, U.S. Coast and Geodetic Survey, Magnetic Ranges for Compass Deviation, San Francisco Bay, California. Published December, 1897, Henry S. Pritchett Superintendent. Verified: O.H. Tittmann, Assistant ... E.D. Taussig, Lieut. Comdr., U.S.N., Hydrographic Inspector. A.R. Graham Photo. Lith. Washington D.C

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