Bloomgren, B.A.2010-04-012010-04-011993https://hdl.handle.net/11299/600423 pls., scale 1:62,500 and smaller. PLATES: 1, Bedrock geologic map, scale 1:62,500; 2, Structure map of the St. Peter Sandstone, scale 1:125,000, and Structure map of the Prairie du Chien Group, scale 1:125,000, and Structure map of the Jordan Sandstone, scale 1:125,000, and Isopach map of the St. Peter Sandstone, scale 1:125,000, and Isopach map of the Prairie du Chien Group, scale 1:125,000, and First vertical derivation of the magnetic data, scale 1:125,000; 3, Stratigraphic cross sections and Structure map of the Mt. Simon Sandstone, northeastern Waseca County and adjacent areas of Le Sueur and Rice Counties, scale 1:100,000, and Walter quality--Chemical constituent diagrams for water from wells completed in bedrock units, scale 1:125,000 and Table 1. Selected properties and constituents in water from wells completed in bedrock units.en-USMap