Maps showing general Quaternary age surface geology of Minnesota and distribution of uranium, thorium and potassium-40 in surface sediments, scale 1:3,168,000. Electronic file available at: ftp://mgsftp2.mngs.umn.edu/map_catalog/pdf/umn22480.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
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/umn21110.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/umn21114.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/umn21116.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/umn21113.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/umn21112.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
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/umn21111.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/umn21115.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/umn21104.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/umn21105.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 (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/umn21106.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/umn21107.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 Chisago County, scale 1:100,000. Electronic file available at: ftp://mgsftp2.mngs.umn.edu/map_catalog/pdf/umn22520.pdf
Aggregate (crushed rock, sand and gravel) sources and potential of Chisago County, scale 1:100,000. Electronic file available at: ftp://mgsftp2.mngs.umn.edu/map_catalog/pdf/umn22521.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
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
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 northwest Itasca County, scale 1:100,000. Electronic file available at: ftp://mgsftp2.mngs.umn.edu/map_catalog/pdf/umn22540.pdf
Meyer, Gary N.; Jirsa, Mark A.; Jennings, Carrie E.
Date Created:
2005
Description:
Aggregate (crushed rock, sand and gravel) endowment map of northwest Itasca County, scale 1:100,000. Electronic file available at: ftp://mgsftp2.mngs.umn.edu/map_catalog/pdf/umn22541.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
Report includes a description of bedrock geology and mapping on east-central Minnesota, including test drilling, outcrop and geochemical data, accompanied by two plates, Plate 1 Bedrock geology, Plate 2 Database.
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
Jirsa, Mark A.; Chandler, Val W.; Runkel, Anthony C.
Date Created:
1999
Description:
Interpretations of bedrock geology (distribution of rock at the land surface and beneath surface sediments) of northwestern Minnesota, scale 1:200,000. Electronic file available at: ftp://mgsftp2.mngs.umn.edu/map_catalog/pdf/umn22489.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
Interpretations of bedrock geology (distribution of rock at the land surface and beneath surface sediments), north-central Minnesota, scale 1:250,000. Electronic file available at: ftp://mgsftp2.mngs.umn.edu/map_catalog/pdf/umn22461.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:
Data base, Aitkin quadrangle showing drill holes, outcrops and other data used to make interpretations of bedrock geology for map M-99, scale 1:100,000. Electronic file available at: ftp://mgsftp2.mngs.umn.edu/map_catalog/pdf/umn22497.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
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
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
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 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) 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
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
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
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.
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
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
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) of the Mankato East quadrangle, scale 1:24,000. Electronic file available at: ftp://mgsftp2.mngs.umn.edu/map_catalog/pdf/umn22550.pdf
Interpretations of bedrock geology (distribution of rock at the land surface and beneath surface sediments) of the Mankato West quadrangle, scale 1:24,000. Electronic file available at: ftp://mgsftp2.mngs.umn.edu/map_catalog/pdf/umn22549.pdf