1922. United States Reclamation Service. Relief shown by contours.; Includes text and inset project map.; Map no. 18988. 26 x 36 Centimeters Scale approximately 1:80,000 General Map Collec... The Service (Washington, D.C).
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1929. Geological Survey (U.S.). Includes distance table.; Text on verso. 79 x 49 Centimeters Scale approximately 1:253,440 General Map Collection. The Service (Washington, D.C).