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1. 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...

2. 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...

3. 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...

4. Geologic atlas of Winona County, Minnesota, C-2, Plate 3, Surficial Geology

1984. Balaban, N.H., Olsen, Bruce M., and Hobbs, Howard C. Map showing interpretations of Quaternary (Pleistocene [glacial] and Holocene [post-glacial]) surficial geology (distribution and type of materials...