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... Minnesota Geological Survey.
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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... Minnesota Geological Survey.
2001. Lusardi, Barbara A. and Meyer, Gary N. Quaternary geology map showing interpretations of Quaternary (Pleistocene [glacial] and Holocene [post-glacial]) surficial geology (distribution an... Minnesota Geological Survey.
2001. Lusardi, Barbara A. and Meyer, Gary N. Aggregate (crushed rock, sand and gravel) sources and potential of Chisago County, scale 1:100,000. Minnesota Geological Survey.
2005. Jennings, Carrie E., Jirsa, Mark A., and Meyer, Gary N. Quaternary geology map showing interpretations of Quaternary (Pleistocene [glacial] and Holocene [post-glacial]) surficial geology (distribution an... Minnesota Geological Survey.
2005. Jennings, Carrie E., Jirsa, Mark A., and Meyer, Gary N. Aggregate (crushed rock, sand and gravel) endowment map of northwest Itasca County, scale 1:100,000. Minnesota Geological Survey.
2005. Jennings, Carrie E., Jirsa, Mark A., and Meyer, Gary N. Quaternary geology map showing interpretations of Quaternary (Pleistocene [glacial] and Holocene [post-glacial]) surficial geology (distribution an... Minnesota Geological Survey.
2005. Jennings, Carrie E., Jirsa, Mark A., and Meyer, Gary N. Aggregate (crushed rock, sand and gravel) endowment map of northeast Itasca County, scale 1:100,000. Minnesota Geological Survey.
2005. Jennings, Carrie E., Jirsa, Mark A., and Meyer, Gary N. Quaternary geology map showing interpretations of Quaternary (Pleistocene [glacial] and Holocene [post-glacial]) surficial geology (distribution an... Minnesota Geological Survey.
2005. Jennings, Carrie E., Jirsa, Mark A., and Meyer, Gary N. Aggregate (crushed rock, sand and gravel) endowment map of southeast Itasca County, scale 1:100,000. Minnesota Geological Survey.