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39 x 56 cm. Relief shown by hachures. "Entered according to act of Congress in the year 1864, by A.J. Johnson in the Clerks Office of the United States for the Southern District of New York." Atlas page numbers in upper margin: 67-68. Primer meridians: Greenwich and Washington, D.C. On verso: History and statistical view of the West India islands or Columbian Archipelago and Historical and statistical view of Mexico and Central America. Shows proposed railroads, locations of Indian tribes, natural features, counties, mines, mail routes, trails and routes of exploring expeditions. Has decorative border. Southern part of Nevada was added to the state in 1867 and is part of Nevada on this map, but Lincoln County was established in 1867 and is not on this map. This map was still probably published in 1867 in spite of someone's having written "1864" in pencil in the lower right corner of the Library's copy. Original publisher: A.J. Johnson.

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.

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.

58 x 46 cm., on sheet 85 x 83 cm., fold. 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 in 1961. Contours on pre-Tertiary rocks by D. L. Healey and C. H. Miller, 1963." Includes text, 4 col. cross sections, and quadrangle location map. Original publisher: U. S. Geological Survey, Series: Geologic quadrangle map GQ, Scale: 1:24 000.

58 x 46 cm., on sheet 84 x 87 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 in 1961. Limit of pluvial Groom Lake and faults from photographs mapped by R. B. Colton, 1962." Includes text, bibliography, location map, and 5 col. cross sections. Original publisher: Interior, U.S. Geological Survey, Series: Geologic quadrangle map GQ, Scale: 1:24 000.