5 pls. Scales 1:100,000 and 1:200,000. Pl. 1, data-base map; pl. 2, bedrock geology; pl. 3, surficial geology; pl. 4 Quaternary stratigraphy; pl. 5, bedrock topography, depth to bedrock and sand distribution model. Supplementary files include ArcGis coverages, shapefiles and/or ESRI grids used to construct the plates, and metadata.; Surface and subsurface geology of Benton County; The Benton County Board of Commissioners; The Minnesota Environment and Natural Resources Trust Fund as Recommended by the Legislative-Citizen Commission on Minnesota Resources