1899. Geological Survey (U.S.). Relief shown by contours, hachures and spot heights. Depths shown by soundings and isolines.; "The base is a copy of a portion of chart T of the U.... The Survey (Washington, D.C).
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2. Map of Utah
1899. Geological Survey (U.S.). Contour interval 1000 feet.; Bulletin number 166, Plate 1.; Datum is mean sea level. 78 x 60 centimeters Scale 1:760,320 General Map Collection. The Survey (Washington, D.C).
1899. Geological Survey (U.S.). Relief shown by hypsometric tints and contours. 53 x 81 centimeters Scale approximately 1:1,600,000, General Map Collection. The Survey (Washington, D.C).