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.
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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.
1984. Jirsa, Mark A. and Meyer, Gary N. Bedrock (crushed rock) aggregate resources, geologic map units, seven county metropolitan area, Minnesota, scale 1:250,000. Minnesota Geological Survey.
1985. Bloomgren, Bruce A. Interpretations of bedrock geology (distribution of rock at the land surface and beneath surface sediments) of the Minneapolis and St. Paul urban a... Minnesota Geological Survey.
1985. Bloomgren, Bruce A. Bedrock topography (elevation of the bedrock sruface) map of the Minneapolis and St. Paul urban area, scale 1:48,000. Minnesota Geological Survey.