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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. Geologic atlas of Dakota County, Minnesota, C-6, Plate 8, Well Construction

1990. Balaban, N.H., Hobbs, Howard C., Walsh, James F., and Olsen, Bruce M. Map showing requirements of well construction practices and regulations as they relate to geology and location of a well on the land surface and su...

4. Geologic atlas of Hennepin County, Minnesota, C-4, Plate 2, Bedrock Geology

1989. Balaban, N.H., Olsen, Bruce M., and Bloomgren, Bruce A. Map showing interpretations of bedrock geology (distribution of rock at the land surface and beneath surface sediments) with cross section diagrams...

5. Geologic atlas of Hennepin County, Minnesota, C-4, Plate 4, Depth to Bedrock

1989. Balaban, N.H., Bloomgren, Bruce A., Cleland, Jane M., and Olsen, Bruce M. Map showing the thickness of unconsolidated materials over the bedrock surface (depth to bedrock) and the elevation of the bedrock surface (bedrock...

6. Geologic atlas of Hennepin County, Minnesota, C-4, Plate 8, Well Construction

1989. Balaban, N.H., Olsen, Bruce M., and Bloomgren, Bruce A. Map showing requirements of well construction practices and regulations as they relate to geology and location of a well on the land surface and su...

7. Geologic atlas of Olmsted County, Minnesota, C-3, Plate 1, Data Base

1988. Balaban, N.H., Hobbs, Howard C., Olsen, Bruce M., and Wahl, Timothy E. Map showing locations of water wells, soil borings, outcrops and cuttings samples collected during water well drilling. Distribution and sources o...

8. Geologic atlas of Olmsted County, Minnesota, C-3, Plate 2, Bedrock Geology

1988. Balaban, N.H. and Olsen, Bruce M. Map showing interpretations of bedrock geology (distribution of rock at the land surface and beneath surface sediments) with cross section diagrams...

9. Geologic atlas of Olmsted County, Minnesota, C-3, Plate 4, Depth to Bedrock

1988. Balaban, N.H. and Olsen, Bruce M. Map showing the thickness of unconsolidated materials over the bedrock surface (depth to bedrock) and the elevation of the bedrock surface (bedrock...

10. Geologic atlas of Olmsted County, Minnesota, C-3, Plate 6, Pollution Sensitivity

1988. Balaban, N.H., Olsen, Bruce M., and Hobbs, Howard C. Map showing the susceptibility of the ground water system (bedrock and unconsolidated sediment aquifers) to contamination, scale 1:100,000, Olmsted...