No. 15 Map of Oregon and Upper California Engraved to Illustrate Mitchell's School and Family Geography

Atlas map from Mitchell's School Atlas: Comprising The Maps, Etc., Designed To Illustrate Mitchell's School And Family Geography. 7 7/8" x 10 1/2", with borders 9" x 11 5/8". Date noted in pen in top margin. Short closed tears to bottom left corner and tiny chip to bottom right corner. Minor tidemark along bottom edge. Brief notation in pen along with 10 small doodles on the reverse (all but one in pencil). With inset "No. 16 Map of the Columbia River from the Cascades to the Pacific Ocean." Entered according to Act of Congress in the year 1846 by S. A. Mitchell in the Clerk's office of the District Court of the eastern district of Pennsylvania. Oregon Territory as claimed by the United States, extended from N. Lat. 42° to 54°40', but by the treaty of 1846, the 49° parallel was adopted as the northern boundary. Covers Rocky Mountains to the Pacific Ocean. Shows locations of native American tribal groups. Great Salt Lake is located in Upper or New California.