Map showing the Pioneer iron mine, surveyed July 13, 1889, scale 1 inch = about 6.25 feet. Electronic file available at: ftp://mgsftp2.mngs.umn.edu/map_catalog/pdf/umn23265.pdf
Map showing iron mines in the Vermilion range, scale 1 inch = about 0.12 miles. Electronic file available at: ftp://mgsftp2.mngs.umn.edu/map_catalog/pdf/umn23264.pdf
Map of northeastern Minnesota showing iron regions, scale 1 inch = about 4.5 miles. Electronic file available at: ftp://mgsftp2.mngs.umn.edu/map_catalog/pdf/umn23263.pdf
Map showing the Pioneer iron mine, surveyed July 13, 1889, scale 1 inch = about 6.25 feet. Electronic file available at: ftp://mgsftp2.mngs.umn.edu/map_catalog/pdf/umn23265.pdf
Sheet 2, Map of the Surface (glacial landforms) Formations and agricultural conditions of northeastern Minnesota, scale 1:500,000. Electronic file available at: ftp://mgsftp2.mngs.umn.edu/map_catalog/pdf/umn23267.pdf
Map of East Central Minnesota showing location of rock outcrops (location of rocks exposed at the land surface), scale 1 inch = 10 miles. Electronic file available at: ftp://mgsftp2.mngs.umn.edu/map_catalog/pdf/umn23269.pdf
Map of the principal part of the Cuyuna Iron-ore District, showing the distribution of known iron-bearing rocks and lines of maximum magnetic attraction, scale 1 inch = 1 mile. Electronic file available at: ftp://mgsftp2.mngs.umn.edu/map_catalog/pdf/umn23270.pdf
Map and sections showing the geology and workings of the Rowe Mine, Cuyuna Iron-ore District, surveyed in July, 1915, scale 1 inch = about 130 feet. Electronic file available at: ftp://mgsftp2.mngs.umn.edu/map_catalog/pdf/umn23271.pdf
Map and sections showing the geology and workings of the Pennington, Armour No. 1, and Armour No. 2 Mines, Cuyuna Iron-ore District, Minnesota, surveyed in July, 1915, scale 1 inch = about 130 miles. Electronic file available at: ftp://mgsftp2.mngs.umn.edu/map_catalog/pdf/umn23272.pdf
Map and sections showing the geology and workings of the Thompson Mine, Cuyuna Iron-ore District, surveyed July, 1915, scale 1 inch = 130 miles. Electronic file available at: ftp://mgsftp2.mngs.umn.edu/map_catalog/pdf/umn23273.pdf
Interpretations of bedrock geology (distribution of rock at the land surface and beneath surface sediments) of the Eastern Mesabi District, Minnesota, scale 1:31,250. Electronic file available at: ftp://mgsftp2.mngs.umn.edu/map_catalog/pdf/umn23278.pdf
Peat Deposits of Beltrami County, Minnesota, showing location of soundings and depth of peat and topography of the surface of the bogs north of Red Lake, scale 1 inch = about 4 miles. Electronic file available at: ftp://mgsftp2.mngs.umn.edu/map_catalog/pdf/umn23275.pdf
Peat Deposits of Koochiching County Minnesota, showing locations of drainage ditches, scale 1 inch = about 4 miles. Electronic file available at: ftp://mgsftp2.mngs.umn.edu/map_catalog/pdf/umn23276.pdf
Map showing Peat Deposits of Itasca County Minnesota, scale 1 inch = about 4 miles. Electronic file available at: ftp://mgsftp2.mngs.umn.edu/map_catalog/pdf/umn23277.pdf
Sheet 3, Map of the Surface (glacial landforms) Formations and agricultural conditions of the southern half of Minnesota, scale 1:500,000. Electronic file available at: ftp://mgsftp2.mngs.umn.edu/map_catalog/pdf/umn23268.pdf
Longitudinal Section through the Biwabik and Gunflint Formations, scale 1 inch = 1.5 miles. Electronic file available at: ftp://mgsftp2.mngs.umn.edu/map_catalog/pdf/umn23280.pdf
Interpretations of bedrock geology (distribution of rock at the land surface and beneath surface sediments) of the Western Mesabi District, Minnesota, scale 1:62,500. Electronic file available at: ftp://mgsftp2.mngs.umn.edu/map_catalog/pdf/umn23279.pdf
Geologic map of Minnesota, scale 1:500,000, northern half of Minnesota. Electronic file available at: ftp://mgsftp2.mngs.umn.edu/map_catalog/pdf/umn22594.pdf
Geologic map of Minnesota, scale 1:500,000, southern half of Minnesota. Electronic file available at: ftp://mgsftp2.mngs.umn.edu/map_catalog/pdf/umn22595.pdf
East-West Cross Sections of the Metropolitan Area, scale 1 inch = about 15,000 feet. Electronic file available at: ftp://mgsftp2.mngs.umn.edu/map_catalog/pdf/umn23282.pdf
North-South Cross Sections of the Metropolitan Area, scale 1 inch = about 13,000 feet. Electronic file available at: ftp://mgsftp2.mngs.umn.edu/map_catalog/pdf/umn23283.pdf
Map of the Glacial (Quaternary glacial and stream sediments) Deposits of the Metropolitan Area, scale 1 inch = about 4 miles. Electronic file available at: ftp://mgsftp2.mngs.umn.edu/map_catalog/pdf/umn23284.pdf
Structural Contour (contour lines of equal elevation that map features in the subsurface produced by rock deformation or erosion), map of the Minneapolis-St. Paul Artesian Basin, scale 1 inch = about 4 miles. Electronic file available at: ftp://mgsftp2.mngs.umn.edu/map_catalog/pdf/umn23285.pdf
Map of Minneapolis showing the rock surface topography (elevation of the bedrock surface), scale 1 inch = about 2,250 feet. Electronic file available at: ftp://mgsftp2.mngs.umn.edu/map_catalog/pdf/umn23286.pdf
Map of Saint Paul showing the rock surface topography, (elevation of the bedrock surface), scale 1 inch = about 2,500 feet. Electronic file available at: ftp://mgsftp2.mngs.umn.edu/map_catalog/pdf/umn23287.pdf
Interpretations of bedrock geology (distribution of rock at the land surface and beneath surface sediments) of the Minneapolis-St. Paul Metropolitan District, scale 1:96,000. Electronic file available at: ftp://mgsftp2.mngs.umn.edu/map_catalog/pdf/umn23281.pdf
Interpretations of bedrock geology (distribution of rock at the land surface and beneath surface sediments) of Townships 54 and 55 North, Ranges 7 and 8 West, scale 1 inch = about 1/2 mile. Electronic file available at: ftp://mgsftp2.mngs.umn.edu/map_catalog/pdf/umn23288.pdf
Interpretations of bedrock geology (distribution of rock at the land surface and beneath surface sediments) of Townships 56 North, Range 7 West and a portion of Township 56 North, Range 8 West, scale 1 inch = about 1/2 mile. Electronic file available at: ftp://mgsftp2.mngs.umn.edu/map_catalog/pdf/umn23289.pdf
Interpretations of bedrock geology (distribution of rock at the land surface and beneath surface sediments) of Township 57 North, Ranges 6 and 7 West, scale 1 inch = about 1/2 mile. Electronic file available at: ftp://mgsftp2.mngs.umn.edu/map_catalog/pdf/umn23290.pdf
Interpretations of bedrock geology (distribution of rock at the land surface and beneath surface sediments) of Township 58 North, Range 6 West and a portion of Township 58 North, Range 7 West, scale 1 inch = about 1/2 mile. Electronic file available at: ftp://mgsftp2.mngs.umn.edu/map_catalog/pdf/umn23291.pdf
Interpretations of bedrock geology (distribution of rock at the land surface and beneath surface sediments) of a portion of Township 59 North, Range 6 West, scale 1 inch = about 1/2 mile. Electronic file available at: ftp://mgsftp2.mngs.umn.edu/map_catalog/pdf/umn23292.pdf
Structural (recognizable features produced by deformation of rocks) map of anorthosite occurrence, scale 1 inch = about 2 miles. Electronic file available at: ftp://mgsftp2.mngs.umn.edu/map_catalog/pdf/umn23293.pdf
Maps showing sequence of geologic units (beds) alongshore from Mesaba Avenue to Beyond Lakewood, scale 1 inch = about 1,800 feet. Electronic file available at: ftp://mgsftp2.mngs.umn.edu/map_catalog/pdf/umn23294.pdf
Maps showing sequence of geologic units (beds) alongshore from Duluth East City Limits to Near Knife River, scale 1 inch = about 1800 feet. Electronic file available at: ftp://mgsftp2.mngs.umn.edu/map_catalog/pdf/umn23295.pdf
Maps showing sequence of geologic units (beds) alongshore from Knife River to Two Harbors, scale 1 inch = about 1,800 feet. Electronic file available at: ftp://mgsftp2.mngs.umn.edu/map_catalog/pdf/umn23296.pdf
Map of glacial (Quaternary age glacial and stream sediments) deposits of the Duluth Metropolitan Area, scale 1 inch = about 4 miles. Electronic file available at: ftp://mgsftp2.mngs.umn.edu/map_catalog/pdf/umn23297.pdf
Interpretations of bedrock geology (distribution of rock at the land surface and beneath surface sediments) of Township 48 North, Range 15 West, scale 1 inch = about 1/2 mile. Electronic file available at: ftp://mgsftp2.mngs.umn.edu/map_catalog/pdf/umn23298.pdf
Interpretations of bedrock geology (distribution of rock at the land surface and beneath surface sediments) of Township 48 North, Range 16 West, scale 1 inch = about 1/2 mile. Electronic file available at: ftp://mgsftp2.mngs.umn.edu/map_catalog/pdf/umn23299.pdf
Interpretations of bedrock geology (distribution of rock at the land surface and beneath surface sediments) of Township 48 North, Range 17 West, scale 1 inch = about 1/2 mile. Electronic file available at: ftp://mgsftp2.mngs.umn.edu/map_catalog/pdf/umn23300.pdf
Interpretations of bedrock geology (distribution of rock at the land surface and beneath surface sediments) of Township 51 North, Range 14 West, scale 1 inch = about 1/2 mile. Electronic file available at: ftp://mgsftp2.mngs.umn.edu/map_catalog/pdf/umn23308.pdf
Interpretations of bedrock geology (distribution of rock at the land surface and beneath surface sediments) of Township 51 North, Range 15 West, scale 1 inch = about 1/2 mile. Electronic file available at: ftp://mgsftp2.mngs.umn.edu/map_catalog/pdf/umn23309.pdf
Interpretations of bedrock geology (distribution of rock at the land surface and beneath surface sediments) of Township 52 North, Range 11 West, scale 1 inch = about 1/2 mile. Electronic file available at: ftp://mgsftp2.mngs.umn.edu/map_catalog/pdf/umn23310.pdf
Interpretations of bedrock geology (distribution of rock at the land surface and beneath surface sediments) of Township 52 North, Range 12 West, scale 1 inch = about 1/2 mile. Electronic file available at: ftp://mgsftp2.mngs.umn.edu/map_catalog/pdf/umn23311.pdf
Interpretations of bedrock geology (distribution of rock at the land surface and beneath surface sediments) of Township 52 North, Range 13 West, scale 1 inch = about 1/2 mile. Electronic file available at: ftp://mgsftp2.mngs.umn.edu/map_catalog/pdf/umn23312.pdf
Interpretations of bedrock geology (distribution of rock at the land surface and beneath surface sediments) of Townships 49 and 50 North, Range 14 West, scale 1 inch = about 1/2 mile. Electronic file available at: ftp://mgsftp2.mngs.umn.edu/map_catalog/pdf/umn23304.pdf
Interpretations of bedrock geology (distribution of rock at the land surface and beneath surface sediments) of Township 50 North, Range 15 West, scale 1 inch = about 1/2 mile. Electronic file available at: ftp://mgsftp2.mngs.umn.edu/map_catalog/pdf/umn23305.pdf
Interpretations of bedrock geology (distribution of rock at the land surface and beneath surface sediments) of Township 51 North, Range 12 West, scale 1 inch = about 1/2 mile. Electronic file available at: ftp://mgsftp2.mngs.umn.edu/map_catalog/pdf/umn23306.pdf
Interpretations of bedrock geology (distribution of rock at the land surface and beneath surface sediments) of Township 51 North, Range 13 West, scale 1 inch = about 1/2 mile. Electronic file available at: ftp://mgsftp2.mngs.umn.edu/map_catalog/pdf/umn23307.pdf