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.
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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.
1986. Bloomgren, Bruce A., Jirsa, Mark A., and Olsen, Bruce M. Interpretations of bedrock geology (distribution of rock at the land surface and beneath surface sediments) of the Twin Cities, seven-county metrop... Minnesota Geological Survey.
1986. Bloomgren, Bruce A., Jirsa, Mark A., and Olsen, Bruce M. Bedrock topopgrapy (elevation of the bedrock surface) of the Twin Cities, seven-county metropolitan area, scale 1:125,000. Minnesota Geological Survey.
1999. Jirsa, Mark A. and Peterson, Dean M. Compilation of interpretations of bedrock geology (distribution of rock at the land surface and beneath surface sediments), mineral exploration dat... Minnesota Geological Survey.
1965. Payne, C. M. Map showing interpretations of bedrock geology (distribution of rock at the land surface and beneath surface sediments) in the area of Minneapolis-... Minnesota Geological Survey.
1990. Jirsa, Mark A. Interpretations of bedrock geology (distribution of rock at the land surface and beneath surface sediments), northeastern Itasca County, scale 1:48... Minnesota Geological Survey.
1994. Chandler, Val W., Jirsa, Mark A., and Runkel, Anthony C. Interpretations of bedrock geology (distribution of rock at the land surface and beneath surface sediments) of northwestern Minnesota, scale 1:250,... Minnesota Geological Survey.
1999. Chandler, Val W., Jirsa, Mark A., and Runkel, Anthony C. Interpretations of bedrock geology (distribution of rock at the land surface and beneath surface sediments) of northwestern Minnesota, scale 1:200,... Minnesota Geological Survey.
1990. Boerboom, Terrence J. and Jirsa, Mark A. Interpretations of bedrock geology (distribution of rock at the land surface and beneath surface sediments), north-central Minnesota, scale 1:250,000. Minnesota Geological Survey.