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Environment
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Geoscientific Information
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Minnesota
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1989
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1. Aeromagnetic map of Minnesota, northwestern region, Plate 1
1989. Chandler, Val W. Total magnetic intensity anomaly (relative to the earth's magnetic field), color coded, scale 1:250,000. Interpretation of magnetic data collected...
2. Aeromagnetic map of Minnesota, northwestern region, Plate 2
1989. Chandler, Val W. Total magnetic intensity anomaly, contour, scale 1:250,000. Interpretation of magnetic data collected from airborne surveys, the map contours (line...
3. Aeromagnetic map of Minnesota, southwestern region, Plate 1
1989. Chandler, Val W. Total magnetic intensity anomaly (relative to the earth's magnetic field), color coded, scale 1:250,000. Interpretation of magnetic data collected...
4. Aeromagnetic map of Minnesota, southwestern region, Plate 2
1989. Chandler, Val W. Total magnetic intensity anomaly, contour, scale 1:250,000. Interpretation of magnetic data collected from airborne surveys, the map contours (line...
5. Geologic atlas of Hennepin County, Minnesota, C-4, Plate 1, Data Base
1989. Balaban, N.H., Bloomgren, Bruce A., Tipping, Robert G., and Wahl, Timothy E. Map showing locations of water wells, soil borings, outcrops and cuttings samples collected during water well drilling. Distribution and sources o...
6. Geologic atlas of Hennepin County, Minnesota, C-4, Plate 2, Bedrock Geology
1989. Balaban, N.H., Olsen, Bruce M., and Bloomgren, Bruce A. Map showing interpretations of bedrock geology (distribution of rock at the land surface and beneath surface sediments) with cross section diagrams...
7. Geologic atlas of Hennepin County, Minnesota, C-4, Plate 3, Surficial Geology
1989. Balaban, N.H., Meyer, Gary N., and Hobbs, Howard C. Map showing interpretations of Quaternary (Pleistocene [glacial] and Holocene [post-glacial]) surficial geology (distribution and type of materials...
8. Geologic atlas of Hennepin County, Minnesota, C-4, Plate 4, Depth to Bedrock
1989. Balaban, N.H., Bloomgren, Bruce A., Cleland, Jane M., and Olsen, Bruce M. Map showing the thickness of unconsolidated materials over the bedrock surface (depth to bedrock) and the elevation of the bedrock surface (bedrock...
9. Geologic atlas of Hennepin County, Minnesota, C-4, Plate 5, Quaternary Hydrogeology
1989. Balaban, N.H. and Kanivetsky, Roman. Maps showing where and how much ground water may be present and aquifer characteristics of the unconsolidated (not rock) Quaternary sediments (gla...
10. Geologic atlas of Hennepin County, Minnesota, C-4, Plate 6, Bedrock Hydrogeology
1989. Balaban, N.H. and Kanivetsky, Roman. Maps showing where and how much ground water may be present and aquifer characteristics of the bedrock geologic units, scale 1:150,000, Hennepin Co...