2014. Hart Energy Publishing. This point dataset represents physical locations of potential geothermal energy sites in the United States. This layer is part of a collection of G... Hart Energy Publishing.
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1916. Geological Survey (U.S.). Congressional districts are outlined and numbered in purple.; Insets: Mesabi Range -- St. Paul-Minneapolis and vicinity -- Duluth-Superior and vici... Dept. of the Interior (Washington, D.C).
1920. Duluth & Iron Range Railroad Company. Vermilion route.; "H. Johnson, G.P.A."; Includes index. 19 x 38 centimeters Scale not given General Map Collection. Issued by the Duluth & Iron Range Railroad Co (Duluth, Minn).
2010. Geological Survey (U.S.). This polygon shapefile portrays the Public Land Surveys of the United States, including areas of private survey, donation land claims, and land gra... Geological Survey (U.S.).
1849. United States. Surveyor General. Shows all of Wisconsin and a portion of Minnesota, with township surveys in progress in portions of west-central Wisconsin; blank townships drawn o... United States Surveyor General's Office (Dubuque, Iowa).
516. Public Use Airports
1995. Bureau of Transportation Statistics, (comp.). The Public-Use Airports database is a geographic point database of aircraft landing facilities in the United States and U.S. Territories. Attribute... Bureau of Transportation Statistics.
1903.
518. Racine Harbor, Wis
1907. United States. War Department. Corps of Engineers. (W 87°49ʻ--W 87°43ʻ/N 42°48ʻ--N 42°42ʻ) "Issued January 18, 1907."--lower left. Relief shown by contours; depths shown by soundings. "Catalog... The Corps (Detroit, Mich.?).
1874. Harrison & Warner. 64 x 67 centimeters Scale [1:760,320] General Map Collection. Harrison & Warner (Madison, Wis.).
1862. Lipman, Louis. Shows both completed and in progress railroads. Includes tables with populations of cities and counties. 82 X 76 centimeters Scale [1:633,600]. 1... Silas Chapman (Milwaukee, Wis.).