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21. Geologic atlas of Winona County, Minnesota, C-2, Plate 4, Bedrock Hydrogeology

1984. Balaban, N.H., Olsen, Bruce M., and Kanivetsky, Roman. Maps showing where and how much ground water may be present and aquifer characteristics of the bedrock geologic units, scale 1:200,000, Winona County.

22. Geologic atlas of Winona County, Minnesota, C-2, Plate 5, Sinkhole Probability

1984. Balaban, N.H., Olsen, Bruce M., Dalgleish, Janet B., and Alexander, E. Calvin, Jr. Map showing location of sinkholes and likelihood of future sinkhole development, scale 1:100,000, Winona County.

23. Geologic atlas of Winona County, Minnesota, C-2, Plate 6, Pollution Susceptibility

1984. Balaban, N.H., Olsen, Bruce M., and Kanivetsky, Roman. Map showing the susceptibility of the ground water system (bedrock and unconsolidated sediment aquifers) to contamination, scale 1:100,000, Winona ...

24. Geologic atlas of Winona County, Minnesota, C-2, Plate 7, Well Construction

1984. Balaban, N.H. 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...

25. Geologic atlas of Winona County, Minnesota, C-2, Plate 8, Geologic Resources

1984. Balaban, N.H., Olsen, Bruce M., Jirsa, Mark A., and Meyer, Gary N. Maps showing locations and types of bedrock aggregate and sand and gravel resources, scale 1:200,000, Winona County.

26. Geologic map of Minnesota : depth to bedrock

Olsen, Bruce M. University of Minnesota, Minnesota Geological Survey,.

27. Geologic map of Minnesota, bedrock topography, S-15

1982. Olsen, Bruce M. and Mossler, John H. Bedrock topography (elevation of the bedrock surface) map of Minnesota, scale 1:1,000,000.

28. Geologic map of Minnesota, depth to bedrock, S-14

1982. Olsen, Bruce M. and Mossler, John H. Depth to bedrock (thickness of unconsolidated sediments overlying bedrock) map of Minnesota, scale 1:1,000,000.

29. Geologic map of Minnesota, east-central Minnesota, bedrock geology

1981. Morey, G.B., Olsen, Bruce M., and Southwick, David L. Map showing interpretations of bedrock geology (distribution of rock at the land surface and beneath surface sediments) of East-Central Minnesota, ...