2005. Geological Survey (U.S.). This polygon shapefile portrays the state boundaries of the United States, and the boundaries of Puerto Rico and the U.S. Virgin Islands. The map l... Geological Survey (U.S.).
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1908. United States. General Land Office. Includes railroads, national forests, and military and Indian reservations. Inset: City of Omaha. 66 x 96 centimeters Scale approximately 1:760,320... Andrew B. Graham Co., lithographers (Washington, D.C).
1879. United States. General Land Office. Department of the interior, J.A. Williamson, commissioner.; Includes railroads, Indian reservations, and military reservations. 54 x 80 centimeters... Julius Bien (New York).
1890. United States. General Land Office. Bordered by textual information associated with the National Highways Association.; "4 fold system of highways."; "Facts in the history of road bui... The Office (Washington, D.C).
1876. United States. General Land Office. Relief shown by shading and spot heights.; Includes "Mountain altitudes" chart and ill.; On verso: Routes of the Canadian National Steamships Pacif... Julius Bien (New York).
1922. United States. General Land Office. Relief shown by hachures. 67 x 99 centimeters Scale [1:760,320] 1 inch = 12 statute miles General Map Collection. General Land Office (Washington).
1720. UNL Libraries Image & Multimedia Collections.
2005. National Atlas of the United States. This polygon shapefile portrays the time zones of the United States, Puerto Rico, and the U.S. Virgin Islands. Also included are the Greenwich Mean... National Atlas of the United States.
2005. National Atlas of the United States. The Topographic and Bathymetric Shaded Relief of North America map layer shows depth and elevation ranges using colors, with relief enhanced by sha... National Atlas of the United States.
1990. Condra, G. E. Conservation and Survey Division.