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1. Geologic atlas of Ramsey County, Minnesota, C-7, Plate 8, Pollution Sensitivity Prairie du Chien-Jordan

1992. Meyer, Gary N., Swanson, L., and Twiss, W. Patrick. Map showing the susceptibility of ground water in the Prairie du Chien-Jordan aquifer to contamination, scale 1:48,000, Ramsey County.

2. Geologic atlas of Ramsey County, Minnesota, C-7, Plate 9, Pollution Sensitivity

1992. Meyer, Gary N., Swanson, L., and Twiss, W. Patrick. Map showing the susceptibility of the ground water system (bedrock and unconsolidated sediment aquifers) to contamination, scale 1:48,000, Ramsey C...