Geographical and Geological Survey of the Rocky Mountain Region (U.S.). Report on the lands of the arid regions of the United States.1 map : col., mounted on cloth ; 49 x 71 cmFrom: Report on the lands of the arid regions of the United States.--2nd ed.--Washington, D.C. : U.S. Geographical and Geological Survey of the Rocky Mountain Region, 1879.JPEGG 3701 .C883 1868 .S300086173439015091195266engPublicRain chart of the United StatesMapsUnited StatesUniversity of Michigan