Reports of explorations and surveys, to ascertain the most practicable and economical route for a railroad from the Mississippi River to the Pacific Ocean (1855)
United States. War Department, author · Washington [D.C.] : A.O.P. Nicholson, printer · leaf 317
i i p|.R EXP. a. SURVEYS — 35th PARALLEL . _ _ MOSSES &, LIVERWORT Q PLATE IV. GRIMM! A. CALTFGRNICA.
Pacific railroads -- Explorations and surveys · Discoveries in geography -- American · Natural history -- West (U.S.) · Natural history -- California · Indians of North America -- West (U.S.) · West (U.S.) -- Description and travel · California -- Description and travel · United States -- Discovery and exploration
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