1. C-40 Geologic Atlas of Wadena County, Minnesota Datasets University Of Minnesota Public content 2016. Lusardi, Barbara, A and Minnesota Geological Survey. Plate 1 - Data Base, Plate 2 - Bedrock Geology, Plate 3 - Surficial Geology, Plate 4 - Quaternary Stratigraphy, Plate 5 - Sand Distribution Model -...