Description of bedrock geology of the eastern half of Houston County, Minnesota, Plate 1 Bedrock geology map, Plate 2 Bedrock topography map. Superseded by Minnesota Geological Survey Open-File publication OFR96-04.
Green, J.A.; Mossler, J.H.; Alexander, S.C.; Alexander, E.C., Jr.
Date Created:
1997
Description:
Description of the bedrock geology, karst features and depth to bedrock as it relates to hydrogeology in LeRoy Township of Mower County, Minnesota, Plate 1 Bedrock geology map (39x49 in.), Plate 2 Database and bedrock topography map (25.5x28.5 in.).
Map showing locations of bedrock outcrops (rock exposed at the land surface), scale 1:125,000. Electronic file available at: ftp://mgsftp2.mngs.umn.edu/map_catalog/pdf/umn22390.pdf
Minnesota Department of Natural Resources, Division of Waters
Date Created:
2002
Description:
Quaternary (glacial and stream sediment) hydrogeology (ground water information) map of the Otter Tail area, west-central Minnesota, scale 1:200,000. Electronic file available at: ftp://mgsftp2.mngs.umn.edu/map_catalog/pdf/umn22614.pdf
Minnesota Department of Natural Resources, Division of Waters
Date Created:
2002
Description:
Pollution sensitivity of Quaternary (glacial and stream sediment) aquifers, of the Otter Tail area, west-central Minnesota, scale 1:200,000. Electronic file available at: ftp://mgsftp2.mngs.umn.edu/map_catalog/pdf/umn22615.pdf
Bedrock hydrogeology (ground water information) map of Minnesota, scale 1:500,000. Electronic file available at: ftp://mgsftp2.mngs.umn.edu/map_catalog/pdf/umn22619.pdf
Southwick, David L.; Morey, G.B.; McSwiggen, Peter L.
Date Created:
1988
Description:
Interpretations of bedrock geology (distribution of rock at the land surface and beneath surface sediments) of the Penokean Orogen, East-Central Minnesota, scale 1:250,000. Electronic file available at: ftp://mgsftp2.mngs.umn.edu/map_catalog/pdf/umn23388.pdf
Jirsa, Mark A.; Olsen, Bruce M.; Bloomgren, Bruce A.
Date Created:
1986
Description:
Interpretations of bedrock geology (distribution of rock at the land surface and beneath surface sediments) of the Twin Cities, seven-county metropolitan area, scale 1:125,000. Electronic file available at: ftp://mgsftp2.mngs.umn.edu/map_catalog/pdf/umn22442.pdf
Jirsa, Mark A.; Olsen, Bruce M.; Bloomgren, Bruce A.
Date Created:
1986
Description:
Bedrock topopgrapy (elevation of the bedrock surface) of the Twin Cities, seven-county metropolitan area, scale 1:125,000. Electronic file available at: ftp://mgsftp2.mngs.umn.edu/map_catalog/pdf/umn22443.pdf
Jirsa, Mark A.; Runkel, Anthony C.; Chandler, Val W.
Date Created:
1994
Description:
Interpretations of bedrock geology (distribution of rock at the land surface and beneath surface sediments) of northwestern Minnesota, scale 1:250,000. Electronic file available at: ftp://mgsftp2.mngs.umn.edu/map_catalog/pdf/umn22477.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
Lusardi, Barbara A.; Hobbs, Howard C.; Patterson, Carrie J.
Date Created:
2002
Description:
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 Faribault quadrangle, scale 1:100,000. Electronic file available at: ftp://mgsftp2.mngs.umn.edu/map_catalog/pdf/umn22539.pdf
Meyer, Gary N.; Jirsa, Mark A.; Jennings, Carrie E.
Date Created:
2005
Description:
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 northeast Itasca County, scale 1:100,000. Electronic file available at: ftp://mgsftp2.mngs.umn.edu/map_catalog/pdf/umn22542.pdf
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, map of Minnesota, scale 1:500,000. Electronic file available at: ftp://mgsftp2.mngs.umn.edu/map_catalog/pdf/umn22631.pdf
Aeromagnetic anomaly (total magnetic intensity anomaly (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) map of Minnesota, scale 1:500,000. Electronic file available at: ftp://mgsftp2.mngs.umn.edu/map_catalog/pdf/umn22632.pdf
Interpretations of bedrock geology (distribution of rock at the land surface and beneath surface sediments) of Duluth and vicinity, St. Louis County, Minnesota, scale 1:24,000. Electronic file available at: ftp://mgsftp2.mngs.umn.edu/map_catalog/pdf/umn23360.pdf
Harris, Kenneth L.; Lusardi, Barbara A.; Tipping, Robert G.
Date Created:
1995
Description:
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 southern Red River Valley, Minnesota, scale 1:200,000. Electronic file available at: ftp://mgsftp2.mngs.umn.edu/map_catalog/pdf/umn22604.pdf
Harris, Kenneth L.; Lusardi, Barbara A.; Tipping, Robert G.
Date Created:
1995
Description:
Quaternary (glacial and stream sediment) stratigraphy of southern Red River Valley, Minnesota, scale 1:200,000. Electronic file available at: ftp://mgsftp2.mngs.umn.edu/map_catalog/pdf/umn22605.pdf
Pollution sensitivity of Quaternary (glacial and stream sediment) aquifers, southern Red River Valley, Minnesota, scale 1:200,000. Electronic file available at: ftp://mgsftp2.mngs.umn.edu/map_catalog/pdf/umn22607.pdf
Quaternary (glacial and stream sediment) hydrogeology (ground water information) map of the upper Minnesota River basin, Minnesota, scale 1:200,000. Electronic file available at: ftp://mgsftp2.mngs.umn.edu/map_catalog/pdf/umn22610.pdf
Pollution sensitivity of Quaternary (glacial and stream sediment) aquifers, of the upper Minnesota River basin, Minnesota, scale 1:200,000. Electronic file available at: ftp://mgsftp2.mngs.umn.edu/map_catalog/pdf/umn22611.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 Minnesota, scale 1:500,000. Electronic file available at: ftp://mgsftp2.mngs.umn.edu/map_catalog/pdf/umn22618.pdf
Quaternary hydrogeology (ground water information) map of Minnesota, scale 1:500,000. Electronic file available at: ftp://mgsftp2.mngs.umn.edu/map_catalog/pdf/umn22621.pdf
Quaternary (glacial and stream sediment) hydrogeology (ground water information) map of southern Red River Valley, Minnesota, scale 1:200,000. Electronic file available at: ftp://mgsftp2.mngs.umn.edu/map_catalog/pdf/umn22606.pdf
Patterson, Carrie J.; Knaeble, Alan R.; Gran, S.E.; Phippen, S.J.; Setterson, Dale R.
Date Created:
1999
Description:
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 upper Minnesota River basin, Minnesota, scale 1:200,000. Electronic file available at: ftp://mgsftp2.mngs.umn.edu/map_catalog/pdf/umn22608.pdf
Patterson, Carrie J.; Knaeble, Alan R.; Gran, S.E.; Phippen, S.J.; Setterson, Dale R.
Date Created:
1999
Description:
Quaternary (glacial and stream sediment) stratigraphy of the upper Minnesota River basin, Minnesota, scale 1:200,000. Electronic file available at: ftp://mgsftp2.mngs.umn.edu/map_catalog/pdf/umn22609.pdf
Harris, Kenneth L.; Knaeble, Alan R.; Berg, James A.
Date Created:
1999
Description:
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 Otter Tail area, west-central Minnesota, scale 1:200,000. Electronic file available at: ftp://mgsftp2.mngs.umn.edu/map_catalog/pdf/umn22612.pdf
Harris, Kenneth L.; Knaeble, Alan R.; Berg, James A.
Date Created:
1999
Description:
Quaternary (glacial and stream sediment) stratigraphy of the upper Minnesota River basin, Minnesota, scale 1:200,000. Electronic file available at: ftp://mgsftp2.mngs.umn.edu/map_catalog/pdf/umn22613.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 Traverse-Grant area, west-central Minnesota, scale 1:200,000. Electronic file available at: ftp://mgsftp2.mngs.umn.edu/map_catalog/pdf/umn22616.pdf
Quaternary (glacial and stream sediment) stratigraphy of the Traverse-Grant area, west-central Minnesota, scale 1:200,000. Electronic file available at: ftp://mgsftp2.mngs.umn.edu/map_catalog/pdf/umn22617.pdf
Morey, G.B.; Sims, Paul K.; Cannon, William F.; Mudrey, Mike G., Jr., Southwick, David L.
Date Created:
1982
Description:
Interpretations of bedrock geology (distribution of rock at the land surface and beneath surface sediments) of Minnesota and the Lake Superior region, including Wisconsin and Northern Michigan, scale 1:1,000,000. Electronic file available at: ftp://mgsftp2.mngs.umn.edu/map_catalog/pdf/umn22628.pdf
Shaded-relief, (pseudo 3d), black and white map of Aeromagnetic anomaly (total magnetic intensity anomaly (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) in Minnesota, scale 1:1,000,000. Electronic file available at: ftp://mgsftp2.mngs.umn.edu/map_catalog/pdf/umn23258.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
Boerboom, Terrency J.; Severson, Mark J.; Southwick, David L.
Date Created:
1999
Description:
Interpretations of bedrock geology (distribution of rock at the land surface and beneath surface sediments) Aitkin quadrangle, scale 1:100,000. Electronic file available at: ftp://mgsftp2.mngs.umn.edu/map_catalog/pdf/umn22496.pdf
Boerboom, Terrency J.; Severson, Mark J.; Southwick, David L.
Date Created:
1999
Description:
Interpretations of bedrock geology (distribution of rock at the land surface and beneath surface sediments) Mille Lacs quadrangle, scale 1:100,000. Electronic file available at: ftp://mgsftp2.mngs.umn.edu/map_catalog/pdf/umn22498.pdf
Boerboom, Terrency J.; Severson, Mark J.; Southwick, David L.
Date Created:
1999
Description:
Data base, Mille Lacs quadrangle showing drill holes, outcrops and other data used to make interpretations of bedrock geology for map M-100, scale 1:100,000. Electronic file available at: ftp://mgsftp2.mngs.umn.edu/map_catalog/pdf/umn22499.pdf
Map showing primary aggregate (crushed rock, sand and gravel) sources and potential for aggregate development in the Twin cities, seven county Metropolitan area, Minnesota, northern half of study area, scale 1:100,000. Electronic file available at: ftp://mgsftp2.mngs.umn.edu/map_catalog/pdf/umn22501.pdf
Map showing primary aggregate (crushed rock, sand and gravel) sources and potential for aggregate development in the Twin cities, seven county Metropolitan area, Minnesota, southern half of study area, scale 1:100,000. Electronic file available at: ftp://mgsftp2.mngs.umn.edu/map_catalog/pdf/umn22502.pdf
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 Metropolitan area, Minnesota, northern half of study area, scale 1:100,000. Electronic file available at: ftp://mgsftp2.mngs.umn.edu/map_catalog/pdf/umn22503.pdf
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 Metropolitan area, Minnesota, southern half of study area, scale 1:100,000. Electronic file available at: ftp://mgsftp2.mngs.umn.edu/map_catalog/pdf/umn22504.pdf
Interpretations of bedrock geology (distribution of rock at the land surface and beneath surface sediments) and structure map (recognizable features produced by deformation of rocks) of the seven county Metropolitan area, Twin Cities, Minnesota, scale 1:125,000. Electronic file available at: ftp://mgsftp2.mngs.umn.edu/map_catalog/pdf/umn22506.pdf
Hemstad, Chris B.; Ojakangas, Richard W.; Southwick, David L.
Date Created:
2000
Description:
Interpretations of bedrock geology (distribution of rock at the land surface and beneath surface sediments) of the Island View quadrangle, scale 1:24,000. Electronic file available at: ftp://mgsftp2.mngs.umn.edu/map_catalog/pdf/umn22507.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 St. Paul quadrangle, scale 1:100,000. Electronic file available at: ftp://mgsftp2.mngs.umn.edu/map_catalog/pdf/umn22509.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 Rochester quadrangle, scale 1:100,000. Electronic file available at: ftp://mgsftp2.mngs.umn.edu/map_catalog/pdf/umn22510.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
Meyer, Gary N.; Knaeble, Aalan R.; Ellingson, John B.
Date Created:
2001
Description:
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 St. Cloud quadrangle, scale 1:100,000. Electronic file available at: ftp://mgsftp2.mngs.umn.edu/map_catalog/pdf/umn22519.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
Interpretations of bedrock geology (distribution of rock at the land surface and beneath surface sediments), pre-Cretaceous rocks, southwestern Minnesota, scale 1:250,000. Electronic file available at: ftp://mgsftp2.mngs.umn.edu/map_catalog/pdf/umn22530.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 southwestern Minnesota, scale 1:250,000. Electronic file available at: ftp://mgsftp2.mngs.umn.edu/map_catalog/pdf/umn22531.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
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
Meyer, Gary N.; Jirsa, Mark A.; Jennings, Carrie E.
Date Created:
2005
Description:
Aggregate (crushed rock, sand and gravel) endowment map of northeast Itasca County, scale 1:100,000. Electronic file available at: ftp://mgsftp2.mngs.umn.edu/map_catalog/pdf/umn22543.pdf
Meyer, Gary N.; Jirsa, Mark A.; Jennings, Carrie E.
Date Created:
2005
Description:
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 southeast Itasca County, scale 1:100,000. Electronic file available at: ftp://mgsftp2.mngs.umn.edu/map_catalog/pdf/umn22544.pdf
Meyer, Gary N.; Jirsa, Mark A.; Jennings, Carrie E.
Date Created:
2005
Description:
Aggregate (crushed rock, sand and gravel) endowment map of southeast Itasca County, scale 1:100,000. Electronic file available at: ftp://mgsftp2.mngs.umn.edu/map_catalog/pdf/umn22545.pdf
Jirsa, Mark A.; Chandler, Val W.; Lively, R.S.; Boerboom, Terrence J.
Date Created:
2003
Description:
Interpretations of bedrock geology (distribution of rock at the land surface and beneath surface sediments); 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 east-central Minnesota, scale 1:200,000. Electronic file available at: ftp://mgsftp2.mngs.umn.edu/map_catalog/pdf/umn22546.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 Crown quadrangle, scale 1:24,000. Electronic file available at: ftp://mgsftp2.mngs.umn.edu/map_catalog/pdf/umn22547.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 Minneapolis and St. Paul urban area, scale 1:48,000. Electronic file available at: ftp://mgsftp2.mngs.umn.edu/map_catalog/pdf/umn22441.pdf
Miller, James D., Jr.; Green, John C.; Boerboom, Terrence J.; Chandler, Val W.
Date Created:
1993
Description:
Interpretations of bedrock geology (distribution of rock at the land surface and beneath surface sediments) of the Doyle Lake and Finland quadrangles, scale 1:24,000. Electronic file available at: ftp://mgsftp2.mngs.umn.edu/map_catalog/pdf/umn22467.pdf
Interpretations of bedrock geology (distribution of rock at the land surface and beneath surface sediments), Northwest Angle, scale 1:48,000. Electronic file available at: ftp://mgsftp2.mngs.umn.edu/map_catalog/pdf/umn22471.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
Interpretations of bedrock geology (distribution of rock at the land surface and beneath surface sediments), Archean rocks, bedrock outcrop (rock exposed at the land surface) locations shown separately, scale 1:100,000, northern Minnesota. Electronic file available at: ftp://mgsftp2.mngs.umn.edu/map_catalog/pdf/umn22476.pdf
Interpretations of bedrock geology (distribution of rock at the land surface and beneath surface sediments) of Silver Island Lake, Wilson Lake and Toohey Lake quadrangles, scale 1:24,000. Electronic file available at: ftp://mgsftp2.mngs.umn.edu/map_catalog/pdf/umn22478.pdf
Interpretations of bedrock geology (distribution of rock at the land surface and beneath surface sediments) of the Minneapolis and St. Paul urban area, scale 1:48,000. Electronic file available at: ftp://mgsftp2.mngs.umn.edu/map_catalog/pdf/umn22445.pdf
Bedrock topography (elevation of the bedrock sruface) map of the Minneapolis and St. Paul urban area, scale 1:48,000. Electronic file available at: ftp://mgsftp2.mngs.umn.edu/map_catalog/pdf/umn22446.pdf
Map showing the distribution of iron-formation rocks along the main Cuyuna iron range, scale 1:48,000. Electronic file available at: ftp://mgsftp2.mngs.umn.edu/map_catalog/pdf/umn22453.pdf
Bedrock geology interpretatons and geophysical data interpretations in east-central Minnesota, scale 1:48,000. Electronic file available at: ftp://mgsftp2.mngs.umn.edu/map_catalog/pdf/umn22457.pdf
Interpretations of bedrock geology (distribution of rock at the land surface and beneath surface sediments), northeastern Itasca County, scale 1:48,000. Electronic file available at: ftp://mgsftp2.mngs.umn.edu/map_catalog/pdf/umn22462.pdf
Miller, James D., Jr.; Boerboom, Terrence J.; Jerde, E.A.
Date Created:
1994
Description:
Interpretations of bedrock geology (distribution of rock at the land surface and beneath surface sediments) of Cabin Lake and Cramer quadrangles, scale 1:24,000. Electronic file available at: ftp://mgsftp2.mngs.umn.edu/map_catalog/pdf/umn22479.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
Interpretations of bedrock geology (distribution of rock at the land surface and beneath surface sediments) the Cuyuna Iron District, North Range and part of South Range, Crow Wing County, Minnesota, scale 1 inch = about 1/3 mile. Electronic file available at: ftp://mgsftp2.mngs.umn.edu/map_catalog/pdf/umn23314.pdf
Interpretations of bedrock geology (distribution of rock at the land surface and beneath surface sediments) of Duluth and Vicinity, St. Louis County, Minnesota, scale 1:24,000. Electronic file available at: ftp://mgsftp2.mngs.umn.edu/map_catalog/pdf/umn23362.pdf
Interpretations of bedrock geology (distribution of rock at the land surface and beneath surface sediments) of Minnesota, scale 1:1,000.000. Electronic file available at: ftp://mgsftp2.mngs.umn.edu/map_catalog/pdf/umn23367.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/umn21103.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/umn21108.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/umn21109.pdf
Total magnetic intensity anomaly, contour, scale 1:100,000.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/umn21117.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
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
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
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.
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
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
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
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
Interpretations of bedrock geology (distribution of rock at the land surface and beneath surface sediments) of the western Vermilion district, scale 1:48,000. Electronic file available at: ftp://mgsftp2.mngs.umn.edu/map_catalog/pdf/umn22392.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
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
Sheet 2 of 4 sheets, Stratigraphy (vertical and time sequence of geologic units) of Biwabik Formation, Mesabi Range, Minnesota, scale 1 inch = 11.2 miles. Electronic file available at: ftp://mgsftp2.mngs.umn.edu/map_catalog/pdf/umn23320.pdf
Sheet 3 of 4 sheets, Stratigraphy (vertical and time sequence of geologic units) of Biwabik Formation, Mesabi Range, Minnesota, scale 1 inch = 11.2 miles. Electronic file available at: ftp://mgsftp2.mngs.umn.edu/map_catalog/pdf/umn23321.pdf
Plate 3A, Geology of the Gunflint District, Minnesota, scale 1:24000. Electronic file available at: ftp://mgsftp2.mngs.umn.edu/map_catalog/pdf/umn23339.pdf
Plate 4, Sequence of volcanic lava flows along shore from Good Harbor Bay to Grand Portage Bay, Minnesota, scale 1 inch = about 3/4 miles. Electronic file available at: ftp://mgsftp2.mngs.umn.edu/map_catalog/pdf/umn23340.pdf
Plate 15, Geology map of Township 59 North, Range 4 West, Cook County, Minnesota, scale 1 inch = about 1/2 mile. Electronic file available at: ftp://mgsftp2.mngs.umn.edu/map_catalog/pdf/umn23351.pdf
Geologic diagrams, Cedar Valley Formation, southern Minnesota and adjacent northern Iowa, scale 1 inch = 3 miles. Electronic file available at: ftp://mgsftp2.mngs.umn.edu/map_catalog/pdf/umn23383.pdf