1. C-26 Geologic Atlas of Blue Earth County, Minnesota [Part A] Datasets University Of Minnesota Public content 2011. Runkel, A.C and Minnesota Geological Survey. Plate 1, Data Base,Plate 2, Bedrock Geology, Plate 3, Surficial Geology, Plate 4 Quaternary stratigraphy, Plate 5 Sand distribution models, Plate 6...