1874. Bechler, Gustavus R., Geological and Geographical Survey of the Territories (U.S.), and Hayden, F. V. (Ferdinand Vandeveer), 1829-1887. Relief shown by hachures. 1 map; 44 x 56 cm.
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1875. Bechler, Gustavus R. and Geological and Geographical Survey of the Territories (U.S.). Map II of district surveyed by G.R. Bechler. 1 map; 35 x 55 cm.
1877. Geological and Geographical Survey of the Territories (U.S.) and Hayden, F. V. (Ferdinand Vandeveer), 1829-1887. Shows drainage, road, etc. Relief by shown by contours (interval 200') and spot heights. From: its Report, 12th, 1878, v. 12:2, atlas. 1 map; 56 x ...