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58 x 46 cm., on sheet 77 x 84 cm., folded in envelope 30 x 24 cm. Relief shown by contours and spot heights. "Base by U.S. Geological Survey, 1960." "Geology mapped in 1962-64." "Contour interval 20 feet." Includes 2 col. cross sections, quadrangle location map, and text. "Prepared in cooperation with the U. S. Atomic Commission." Original publisher: Interior, Geological Survey, Series: Geologic quadrangle map GQ, Scale: 1:24 000.

'Johnson's California, also Utah, Nevada, Colorado, New Mexico, and Arizona, published by A.J. Johnson, New York.' 'Entered according to Act of Congress in the Year 1864, by A.J. Johnson in the Clerks Office of the District Court of the United States for the Southern District of New York.' Atlas page numbers in upper margin: 66-67. Relief shown by hachures. Prime meridians: Greenwich and Washington, D.C. Shows proposed railroads, locations of Indian tribes, natural features, counties, mines, mail routes, trails and routes of exploring expeditions. On verso: History and statistics of Mexico and Central America and statistics of national finances and the Post Office of the United States, 1860. Scale [ca. 1:3,484,800. 1 in. to ca. 55 miles] (W 123°--W 103°/N 42°--N 32°)

58 x 47 cm., on sheet 84 x 89 cm., folded in envelope 30 x 24 cm. Relief shown by contours and spot heights. "Contour interval 20 feet." "Prepared in cooperation with the U. S. Atomic Energy Commission." "Geology mapped by R. L. Christiansen, P. W. Lipman, and H. R. Cornwall, 1962." Includes text, 3 col. cross sections, and quadrangle location map. Original publisher: Interior, Geological Survey, Series: Geologic quadrangle map GQ, Scale: 1:24 000.