Illinois State Geological Survey Digital Geologic Map Titled: Surficial Geology of Paderborn Quadrangle, Monroe and St. Clair Counties, Illinois; in Geologic Map Schema (GeMS) format; Quad: Paderborn; Author(s): Phillips, A.C.
Summary
Illinois State Geological Survey Digital Geologic Map Titled: Surficial Geology of Paderborn Quadrangle, Monroe and St. Clair Counties, Illinois; in Geologic Map Schema (GeMS) format; Quad: Paderborn; Author(s): Phillips, A.C.