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.
Search Results
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.
49. Bedrock geologic map of the Aitkin 30 x 60 minute quadrangle, east-central Minnesota, M-99, Plate 1
1999. Boerboom, Terrence J., Severson, Mark J., and Southwick, David L. Interpretations of bedrock geology (distribution of rock at the land surface and beneath surface sediments) Aitkin quadrangle, scale 1:100,000. Minnesota Geological Survey.
50. Bedrock geologic map of the Aitkin 30 x 60 minute quadrangle, east-central Minnesota, M-99, Plate 2
1999. Boerboom, Terrence J., Severson, Mark J., and Southwick, David L. Data base, Aitkin quadrangle showing drill holes, outcrops and other data used to make interpretations of bedrock geology for map M-99, scale 1:100... Minnesota Geological Survey.