1. C-29 Geologic Atlas of Clay County, Minnesota [Part A] Datasets University Of Minnesota Public content 2014. Bauer, Emily J and Minnesota Geological Survey. Plate 1, Data Base, Plate 2, Bedrock geology, Plate 3, Surficial geology, Plate 4 Quaternary stratigraphy, Plate 5 Bedrock topography, Depth-to-bed...