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1. Bedrock geologic and topographic maps of the seven-county Twin Cities Metropolitan Area, Minnesota, M-55, Plate 1

1986. Jirsa, Mark A., Olsen, Bruce M., and Bloomgren, Bruce A. Interpretations of bedrock geology (distribution of rock at the land surface and beneath surface sediments) of the Twin Cities, seven-county metrop...

2. Bedrock geologic and topographic maps of the seven-county Twin Cities Metropolitan Area, Minnesota, M-55, Plate 2

1986. Jirsa, Mark A., Olsen, Bruce M., and Bloomgren, Bruce A. Bedrock topopgrapy (elevation of the bedrock surface) of the Twin Cities, seven-county metropolitan area, scale 1:125,000.

3. Distribution of iron-formation in the main Cuyuna range, east-central Minnesota, M-60

1986. Morey, G.B. and Morey, D.D. Map showing the distribution of iron-formation rocks along the main Cuyuna iron range, scale 1:48,000.

4. Major-constituent chemistry of selected Phanerozoic aquifers in Minnesota, M-61, Plate 1

1986. Kanivetsky, Roman. Distribution of major element chemistry in Cretaceous age aquifer rocks, scale 1:1,000,000; Quaternary age glacial and stream sediments, scale 1:2...

5. Major-constituent chemistry of selected Phanerozoic aquifers in Minnesota, M-61, Plate 2

1986. Kanivetsky, Roman. Distribution of major element chemistry in the Cedar Valley-Maquoketa-Dubuque-Galena aquifer; Franconia-Ironton-Galesville aquifer; St. Peter aquif...

6. Subsurface till stratigraphy of the Todd County area, central Minnesota, RI-34, Plate 1

1986. Meyer, Gary N. Bedrock topography (elevation of the bedrock surface) and cross sections, Todd County, Minnesota, scale 1 inch = about 5 miles.