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
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
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
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
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
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
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
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
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
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
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 the Vermilion Lake quadrangle, scale 1:100,000. Electronic file available at: ftp://mgsftp2.mngs.umn.edu/map_catalog/pdf/umn22555.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
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
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 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) Ely and Basswood Lake quadrangles, scale 1:100,000. Electronic file available at: ftp://mgsftp2.mngs.umn.edu/map_catalog/pdf/umn22562.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
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
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