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Minnesota Geological Survey
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21. 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...
22. 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...
23. Aeromagnetic map of Minnesota, southeastern region, Plate 1
1991. 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...
24. Aeromagnetic map of Minnesota, southeastern region, Plate 2
1991. Chandler, Val W. Total magnetic intensity anomaly, contour, scale 1:250,000. Interpretation of magnetic data collected from airborne surveys, the map contours (line...
25. 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...
26. 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...
27. Aeromagnetic map of Minnesota, St Louis county, Plate 1
1983. 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...
28. Aeromagnetic map of Minnesota, St Louis county, Plate 2
1983. Chandler, Val W. Total magnetic intensity anomaly, contour, scale 1:250,000. Interpretation of magnetic data collected from airborne surveys, the map contours (line...
29. Aeromagnetic map of Minnesota, west-central region, Plate 1
1987. 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...
30. Aeromagnetic map of Minnesota, west-central region, Plate 2
1987. Chandler, Val W. Total magnetic intensity anomaly, contour, scale 1:250,000. Interpretation of magnetic data collected from airborne surveys, the map contours (line...
31. Aggregate resource potential of Chisago County, Minnesota, M-116, Plate 1
2001. Meyer, Gary N. and Lusardi, Barbara A. Quaternary geology map showing interpretations of Quaternary (Pleistocene [glacial] and Holocene [post-glacial]) surficial geology (distribution an...
32. Aggregate resource potential of Chisago County, Minnesota, M-116, Plate 2
2001. Meyer, Gary N. and Lusardi, Barbara A. Aggregate (crushed rock, sand and gravel) sources and potential of Chisago County, scale 1:100,000.
33. Aggregate resource potential of Itasca County, Minnesota, M-131, Plate 1
2005. Meyer, Gary N., Jirsa, Mark A., and Jennings, Carrie E. Quaternary geology map showing interpretations of Quaternary (Pleistocene [glacial] and Holocene [post-glacial]) surficial geology (distribution an...
34. Aggregate resource potential of Itasca County, Minnesota, M-131, Plate 2
2005. Meyer, Gary N., Jirsa, Mark A., and Jennings, Carrie E. Aggregate (crushed rock, sand and gravel) endowment map of northwest Itasca County, scale 1:100,000.
35. Aggregate resource potential of Itasca County, Minnesota, M-131, Plate 3
2005. Meyer, Gary N., Jirsa, Mark A., and Jennings, Carrie E. Quaternary geology map showing interpretations of Quaternary (Pleistocene [glacial] and Holocene [post-glacial]) surficial geology (distribution an...
36. Aggregate resource potential of Itasca County, Minnesota, M-131, Plate 4
2005. Meyer, Gary N., Jirsa, Mark A., and Jennings, Carrie E. Aggregate (crushed rock, sand and gravel) endowment map of northeast Itasca County, scale 1:100,000.
37. Aggregate resource potential of Itasca County, Minnesota, M-131, Plate 5
2005. Meyer, Gary N., Jirsa, Mark A., and Jennings, Carrie E. Quaternary geology map showing interpretations of Quaternary (Pleistocene [glacial] and Holocene [post-glacial]) surficial geology (distribution an...
38. Aggregate resource potential of Itasca County, Minnesota, M-131, Plate 6
2005. Meyer, Gary N., Jirsa, Mark A., and Jennings, Carrie E. Aggregate (crushed rock, sand and gravel) endowment map of southeast Itasca County, scale 1:100,000.
39. Aggregate resources inventory, Twin Cities Metropolitan Area, Minnesota, IC-20, Plate 1
1984. Meyer, Gary N. and Jirsa, Mark A. Sand and gravel aggregate resources, geologic map units, seven county metropolitan area, Minnesota, scale 1:250,000.
40. Aggregate resources inventory, Twin Cities Metropolitan Area, Minnesota, IC-20, Plate 2
1984. Meyer, Gary N. and Jirsa, Mark A. Bedrock (crushed rock) aggregate resources, geologic map units, seven county metropolitan area, Minnesota, scale 1:250,000.