Plate 1, Data base, Plate 2, Bedrock geology, Plate 3, Surficial geology, Plate 4 Quaternary stratigraphy, Plate 5 Sand distribution models, Bedrock topography and depth-to-bedrock, Scale 1:100,000.; Surface and subsurface geology of Renville County, Mn. includes bedrock topography and depth-to-bedrock; THE RENVILLE COUNTY BOARD OF COMMISSIONERS AND THE MINNESOTA ENVIRONMENT AND NATURAL RESOURCES, DIVISION OF WATERS