Quaternary geology map showing interpretations of Quaternary (Pleistocene [glacial] and Holocene [post-glacial]) surficial geology (distribution and type of materials at the land surface), of the Mesabi Iron Range, scale 1:100,000. Electronic file available at: ftp://mgsftp2.mngs.umn.edu/map_catalog/pdf/umn22582.pdf
Map of 1899 data showing land-surface topography, surface hydrology, and infrastructure, east half of Measbi Iron range, scale 1:100,000. Electronic file available at: ftp://mgsftp2.mngs.umn.edu/map_catalog/pdf/umn22571.pdf
Map of 1999 data showing land-surface topography, surface hydrology, and infrastructure, eastern half of Measbi Iron range, scale 1:100,000. Electronic file available at: ftp://mgsftp2.mngs.umn.edu/map_catalog/pdf/umn22572.pdf
Shaded-relief (psuedo 3d) map showing elevation changes as a result of mining between 1899 and 1999 eastern half of Mesabi Iron range, scale 1:100,000. Electronic file available at: ftp://mgsftp2.mngs.umn.edu/map_catalog/pdf/umn22573.pdf
Interpretations of bedrock geology (distribution of rock at the land surface and beneath surface sediments) of the Mesabi Iron Range, scale 1:100,000. Electronic file available at: ftp://mgsftp2.mngs.umn.edu/map_catalog/pdf/umn22581.pdf
Interpretations of bedrock geology (distribution of rock at the land surface and beneath surface sediments) of the Babbitt SW quadrangle, scale 1:24,000. Electronic file available at: ftp://mgsftp2.mngs.umn.edu/map_catalog/pdf/umn22579.pdf
Interpretations of bedrock geology (distribution of rock at the land surface and beneath surface sediments) of the Babbitt SE quadrangle, scale 1:24,000. Electronic file available at: ftp://mgsftp2.mngs.umn.edu/map_catalog/pdf/umn22580.pdf
Interpretations of bedrock geology (distribution of rock at the land surface and beneath surface sediments) of the Babbitt quadrangle, scale 1:24,000. Electronic file available at: ftp://mgsftp2.mngs.umn.edu/map_catalog/pdf/umn22577.pdf
Interpretations of bedrock geology (distribution of rock at the land surface and beneath surface sediments) of the Babbitt NE quadrangle, scale 1:24,000. Electronic file available at: ftp://mgsftp2.mngs.umn.edu/map_catalog/pdf/umn22578.pdf
Jirsa, Mark A.; Setterholm, Dale R.; Bloomgren, Bruce A.; Bauer, Emily J.; Lively, R.S.
Date Created:
2005
Description:
Interpretations of bedrock geology (distribution of rock at the land surface and beneath surface sediments), drillhole and outcrop data base map (data used to develop interpretations of bedrock units), eastern half Mesabi Iron range, scale 1:100,000. Electronic file available at: ftp://mgsftp2.mngs.umn.edu/map_catalog/pdf/umn22574.pdf
Jirsa, Mark A.; Setterholm, Dale R.; Bloomgren, Bruce A.; Bauer, Emily J.; Lively, R.S.
Date Created:
2005
Description:
Bedrock topography (elevation of the bedrock surface) map, eastern half Mesabi Iron range, scale 1:100,000. Electronic file available at: ftp://mgsftp2.mngs.umn.edu/map_catalog/pdf/umn22575.pdf
Interpretations of bedrock geology (distribution of rock at the land surface and beneath surface sediments) Ely and Basswood Lake quadrangles, scale 1:100,000. Electronic file available at: ftp://mgsftp2.mngs.umn.edu/map_catalog/pdf/umn22562.pdf
Quaternary geology map showing interpretations of Quaternary (Pleistocene [glacial] and Holocene [post-glacial]) surficial geology (distribution and type of materials at the land surface), of the Knife River quadrangle, scale 1:24,000. Electronic file available at: ftp://mgsftp2.mngs.umn.edu/map_catalog/pdf/umn22551.pdf
Interpretations of bedrock geology (distribution of rock at the land surface and beneath surface sediments) of the Vermilion Lake quadrangle, scale 1:100,000. Electronic file available at: ftp://mgsftp2.mngs.umn.edu/map_catalog/pdf/umn22555.pdf
Quaternary geology map showing interpretations of Quaternary (Pleistocene [glacial] and Holocene [post-glacial]) surficial geology (distribution and type of materials at the land surface), of the French River and Lakewood quadrangles, scale 1:24,000. Electronic file available at: ftp://mgsftp2.mngs.umn.edu/map_catalog/pdf/umn22536.pdf
Topographic disturbance between 1899 and 1999 on the western Mesabi range, scale 1:100,000. Electronic file available at: ftp://mgsftp2.mngs.umn.edu/map_catalog/pdf/umn22525.pdf
Historical and Modern Interpretations of bedrock geology (distribution of rock at the land surface and beneath surface sediments) on the western Mesabi range, scale 1:100,000. Electronic file available at: ftp://mgsftp2.mngs.umn.edu/map_catalog/pdf/umn22526.pdf
Historical and modern land surface topography on the western Mesabi range, scale 1:100,000. Electronic file available at: ftp://mgsftp2.mngs.umn.edu/map_catalog/pdf/umn22523.pdf
Drainage and cultural features relative to the Historical and modern land surface topography on the western Mesabi range, scale 1:100,000. Electronic file available at: ftp://mgsftp2.mngs.umn.edu/map_catalog/pdf/umn22524.pdf
Jirsa, Mark A.; Setterholm, Dale R.; Bloomgren, Bruce A.; Lively, R.S.
Date Created:
2002
Description:
Bedrock topography(elevation of the bedrock surface) and drift (unconsolidated sediments overlying the bedrock surface) thickness, western part of the Mesabi Iron Range, scale 1:100,000. Electronic file available at: ftp://mgsftp2.mngs.umn.edu/map_catalog/pdf/umn22535.pdf
Boerboom, Terrence J.; Green, John C.; Jirsa, Mark A.
Date Created:
2002
Description:
Interpretations of bedrock geology (distribution of rock at the land surface and beneath surface sediments) of the Knife River quadrangle, scale 1:24,000. Electronic file available at: ftp://mgsftp2.mngs.umn.edu/map_catalog/pdf/umn22538.pdf
Boerboom, Terrence J.; Green, John C.; Jirsa, Mark A.
Date Created:
2002
Description:
Interpretations of bedrock geology (distribution of rock at the land surface and beneath surface sediments) of the French River and Lakewood quadrangles, scale 1:24,000. Electronic file available at: ftp://mgsftp2.mngs.umn.edu/map_catalog/pdf/umn22537.pdf
Hemstad, Chris B.; Ojakangas, Richard W.; Southwick, David L.
Date Created:
2002
Description:
Interpretations of bedrock geology (distribution of rock at the land surface and beneath surface sediments), Voyageurs National Park and vicinity, scale 1:50,000. Electronic file available at: ftp://mgsftp2.mngs.umn.edu/map_catalog/pdf/umn22534.pdf
Gravity (interpretation of gravity data collected with ground based meters indicating differences in rock density of rocks in the upper crust) and magnetic anomaly (interpretation of magnetic data collected from airborne surveys, the map contours (lines of equal magnetic intensity) indicate the distribution and concentration of magnetic minerals (primarily iron-bearing) within the upper crust of the earth) map of the Duluth complex and related rocks, scale 1:200,000. Electronic file available at: ftp://mgsftp2.mngs.umn.edu/map_catalog/pdf/umn22529.pdf
Gravity (interpretation of gravity data collected with ground based meters indicating differences in rock density of rocks in the upper crust) and magnetic anomaly (interpretation of magnetic data collected from airborne surveys, the map contours (lines of equal magnetic intensity) indicate the distribution and concentration of magnetic minerals (primarily iron-bearing) within the upper crust of the earth) map of the central Duluth complex, scale 1:100,000. Electronic file available at: ftp://mgsftp2.mngs.umn.edu/map_catalog/pdf/umn22522.pdf
Miller, James D., Jr.; Green, John C.; Severson, Mark J.; Chandler, Val W.; Peterson, Dean M.
Date Created:
2001
Description:
Generalized bedrock geology, aeromagnetic data, data base information, scale 1:500,000. Electronic file available at: ftp://mgsftp2.mngs.umn.edu/map_catalog/pdf/umn22528.pdf
Miller, James D., Jr.; Green, John C.; Severson, Mark J.; Chandler, Val W.; Peterson, Dean M.
Date Created:
2001
Description:
Compilation of interpretations of bedrock geology (distribution of rock at the land surface and beneath surface sediments) of the Duluth Complex, scale, 1:200,000; 1:500,000. Electronic file available at: ftp://mgsftp2.mngs.umn.edu/map_catalog/pdf/umn22527.pdf
Hemstad, Chris B.; Ojakangas, Richard W.; Southwick, David L.; Nemitz, M.
Date Created:
2001
Description:
Interpretations of bedrock geology (distribution of rock at the land surface and beneath surface sediments) of the Cranberry Bay quadrangle, scale 1:24,000. Electronic file available at: ftp://mgsftp2.mngs.umn.edu/map_catalog/pdf/umn22513.pdf
Hemstad, Chris B.; Ojakangas, Richard W.; Southwick, David L.; Nemitz, M.
Date Created:
2001
Description:
Bedrock outcrop map (location of rocks exposed at the land surface) of the Cranberry Bay quadrangle, scale 1:24,000. Electronic file available at: ftp://mgsftp2.mngs.umn.edu/map_catalog/pdf/umn22514.pdf
Jirsa, Mark A.; Boerboom, Terrence J.; Peterson, Dean M.
Date Created:
2001
Description:
Interpretations of bedrock geology (distribution of rock at the land surface and beneath surface sediments) of the Eagles Nest quadrangle, scale 1:24,000. Electronic file available at: ftp://mgsftp2.mngs.umn.edu/map_catalog/pdf/umn22518.pdf
Interpretations of bedrock geology (distribution of rock at the land surface and beneath surface sediments) of part of the Duluth Complex, scale 1:100,000. Electronic file available at: ftp://mgsftp2.mngs.umn.edu/map_catalog/pdf/umn22500.pdf
Interpretations of bedrock geology (distribution of rock at the land surface and beneath surface sediments) of the Allen quadrangle, scale 1:24,000. Electronic file available at: ftp://mgsftp2.mngs.umn.edu/map_catalog/pdf/umn22488.pdf
Compilation of interpretations of bedrock geology (distribution of rock at the land surface and beneath surface sediments), mineral exploration data, western Vermilion district, scale 1:48,000. Electronic file available at: ftp://mgsftp2.mngs.umn.edu/map_catalog/pdf/umn22495.pdf
Geophysical (gravity and magnetic) data and modeling of subsurface geology from the geophysical data for part of the Duluth Complex, scale 24,000. Electronic file available at: ftp://mgsftp2.mngs.umn.edu/map_catalog/pdf/umn22487.pdf
Jirsa, Mark A.; Boerboom, Terrence J.; Morey, G.B.
Date Created:
1998
Description:
Interpretations of bedrock geology (distribution of rock at the land surface and beneath surface sediments) of the Virginia Horn area, Mesabi Iron Range. Electronic file available at: ftp://mgsftp2.mngs.umn.edu/map_catalog/pdf/umn22482.pdf
Interpretations of bedrock geology (distribution of rock at the land surface and beneath surface sediments) of the Midway area, Virginia Horn, Mesabi Iron Range. Electronic file available at: ftp://mgsftp2.mngs.umn.edu/map_catalog/pdf/umn22483.pdf
Interpretations of bedrock geology (distribution of rock at the land surface and beneath surface sediments), North Shore of Lake Superior, scale 1:24,000. Electronic file available at: ftp://mgsftp2.mngs.umn.edu/map_catalog/pdf/umn22466.pdf
Front, Glacial Geomorphology (landforms) of the Laurentian Divide Area, St. Louis and Lake Counties, Minnesota, scale 1:250,000. Electronic file available at: ftp://mgsftp2.mngs.umn.edu/map_catalog/pdf/umn23369a.pdf
Back, Glacial Geomorphology (landforms) of the Laurentian Divide Area, St. Louis and Lake Counties, Minnesota, scale 1:250,000. Electronic file available at: ftp://mgsftp2.mngs.umn.edu/map_catalog/pdf/umn23369b.pdf
Jirsa, Mark A.; Boerboom, Terrence J.; Chandler, Val W.; McSwiggen, Peter L.
Date Created:
1991
Description:
Interpretations of bedrock geology (distribution of rock at the land surface and beneath surface sediments), Cook-Side Lake area, scale 1:48,000. Electronic file available at: ftp://mgsftp2.mngs.umn.edu/map_catalog/pdf/umn22472.pdf
Chandler, Val W.; Jirsa, Mark A.; Ikola, Rodney J.
Date Created:
1985
Description:
Bouguer gravity anomaly map (anomaly related to different densities of rocks in the upper crust, Bouguer anomaly is a corrected difference between an observed gravity measurement and value predicted from a generalized earth model), shown as contour lines (isolines) of equal value, Hibbing quadrangle, scale 1:250,000. Electronic file available at: ftp://mgsftp2.mngs.umn.edu/map_catalog/pdf/umn22444.pdf
Interpretations of bedrock geology (distribution of rock at the land surface and beneath surface sediments) of the Norwegian Bay quadrangle, scale 1:24,000. Electronic file available at: ftp://mgsftp2.mngs.umn.edu/map_catalog/pdf/umn22452.pdf
Aeromagnetic anomaly map, (relative to the earth's magnetic field, interpretation of magnetic data collected from airborne surveys, the map colors indicate the distribution and concentration of magnetic minerals (primarily iron-bearing) within the upper crust of the earth, shaded-relief (psuedo 3d), northeastern and east-central Minnesota, scale 1:1,000,000. Electronic file available at: ftp://mgsftp2.mngs.umn.edu/map_catalog/pdf/umn22440.pdf
Total magnetic intensity anomaly (relative to the earth's magnetic field), color coded, scale 1:250,000. Interpretation of magnetic data collected from airborne surveys, the map colors indicate the distribution and concentration of magnetic minerals (primarily iron-bearing) within the upper crust of the earth. Electronic file available at: ftp://mgsftp2.mngs.umn.edu/map_catalog/pdf/umn21094.pdf
Total magnetic intensity anomaly, contour, scale 1:250,000. Interpretation of magnetic data collected from airborne surveys, the map contours (lines of equal magnetic intensity) indicate the distribution and concentration of magnetic minerals (primarily iron-bearing) within the upper crust of the earth. Electronic file available at: ftp://mgsftp2.mngs.umn.edu/map_catalog/pdf/umn21095.pdf
Total magnetic intensity anomaly (relative to the earth's magnetic field), color coded, scale 1:250,000. Interpretation of magnetic data collected from airborne surveys, the map colors indicate the distribution and concentration of magnetic minerals (primarily iron-bearing) within the upper crust of the earth. Electronic file available at: ftp://mgsftp2.mngs.umn.edu/map_catalog/pdf/umn21092.pdf
Map showing linear features, (lineaments) on the Hibbing quadrangle, scale 1:250,000. Electronic file available at: ftp://mgsftp2.mngs.umn.edu/map_catalog/pdf/umn22428.pdf
Interpretations of bedrock geology (distribution of rock at the land surface and beneath surface sediments) of the Ely quadrangle, scale 1:24,000. Electronic file available at: ftp://mgsftp2.mngs.umn.edu/map_catalog/pdf/umn22429.pdf