1853-1861 Original, Antique, United States Pacific Railroad Expedition and Surveys (U.S.P.R.R.)  Lithograph "Fort Okinakane" (Okanagan Valley, British Columbia, Canada). "47th & 49th Parallel", "General Report-Plate XXXVII", "Sarony, Major, & Knapp, Lithos 449 Broadway N.Y.", "Stanley, Del". Overall size 11.5" wide x 8.5" tall. Image size 9 3/8" wide x 6.5" tall.

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