2010. National Geophysical Data Center. This shapefile contains isodynamic lines (lines of equal total intensity of the Earth's magnetic field), derived from the International Geomagnetic... National Atlas of the United States.
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2010. National Geophysical Data Center. This line shapefile shows lines of equal vertical intensity of the Earth's magnetic field, derived from the International Geomagnetic Reference Fie... National Atlas of the United States.
1999. Geological Survey (U.S.). This line shapefile portrays the major roads in the United States, Puerto Rico, and the U.S. Virgin Islands. The file was produced by joining the i... Geological Survey (U.S.).
1882. Chicago, Milwaukee, and St. Paul Railway Company. Copyright, 1882, by Rand, McNally & Co., Chicago.; Relief shown by hachures.; Printed description of Dakota, and how to obtain Government Lands, wi... Rand, McNally & Co.? (Chicago), 1982.
1860. Longitude west from Greenwich and Washington, D.C. Explanatory text includes "Lands of the Dakota or Sioux Indians" and "Minni Wakan Lake." 14 x 17... Charles Desilver; Philadelphia.
1989. UNL Libraries Image & Multimedia Collections.
1867. Warren, G. K. (Gouverneur Kemble), 1830-1882. March, 1867. 1 map: dissected and mounted on cloth; 108 x 80 cm.
1906. United States. General Land Office. Relief shown by shading.; Shows township and range, counties, towns, railroads, water features, and areas containing coal. Also shows Indian, milit... A.B. Graham Photo. Lith (Washington, D.C).
1977. United States. Soil Conservation Service. Base source: USGS 1:100,000 county base map dated 1975; interpretations derived from soil map constructed 1964.; "Projection and 10,000-metre grid ... Dept. of Agriculture, Soil Conservation Service (Washington.).
60. Minnesota
1855. J.H. Colton & Co. Relief shown by hachures.; Covers Minnesota Territory, including Pembina, and the Yankton, Yanktonnan and Chippewa areas, with Missouri River and W... J.H. Colton & Co (New York).