1918. Harder, E.C. and Johnston, A. W. (A. Walfred). Map and sections showing the geology and workings of the Pennington, Armour No. 1, and Armour No. 2 Mines, Cuyuna Iron-ore District, Minnesota, sur... Minnesota Geological Survey.
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1918. Harder, E.C. and Johnston, A. W. (A. Walfred). Map and sections showing the geology and workings of the Thompson Mine, Cuyuna Iron-ore District, surveyed July, 1915, scale 1 inch = 130 miles. Minnesota Geological Survey.
1999. Meyer, Gary N. and Mossler, John H. Map showing primary aggregate (crushed rock, sand and gravel) sources and potential for aggregate development in the Twin cities, seven county Metr... Minnesota Geological Survey.
1999. Meyer, Gary N. and Mossler, John H. Map showing primary aggregate (crushed rock, sand and gravel) sources and potential for aggregate development in the Twin cities, seven county Metr... Minnesota Geological Survey.
1999. Meyer, Gary N. and Mossler, John H. Data base map showing water well and soil boring locations used to develop the interpretions for the map M-102, in the Twin cities, seven county Me... Minnesota Geological Survey.
1999. Meyer, Gary N. and Mossler, John H. Data base map showing water well and soil boring locations used to develop the interpretions for the map M-102, in the Twin cities, seven county Me... Minnesota Geological Survey.
1973. Bounding Box (W,S,E,N): -93.9791,44.4981,-92.8021,45.361 Ecological Study for the Twin Cities Metropolitan Area.
Bounding Box (W,S,E,N): -93.9791,44.4981,-92.8021,45.361 Ecological Study for the Twin Cities Metropolitan Area.
1960. Minnesota. Department of Highways. Cartographic Details: Scale approximately 1:1,380,000. Insets: [Cook Co., Mn] and [Minneapolis, St. Paul and vicinity]. "Note: These Restrictions a... The Department (St. Paul, Minnesota).
1949. Minnesota. Department of Highways. Cartographic Details: Scale approximately 1:1,210,000 (W 97 Ãä15 ÃÅ--W 89 Ãä30 ÃÅ/N 49 Ãä23 ÃÅ--N 43 Ãä30)ÃÅ. Insets: [Cook Co., Mn] -- [Minneapoli... The Department (St. Paul, Minnesota).