Illinois State Geological Survey Digital Geologic Map Titled: Surficial Geology of Carbondale Quadrangle, Jackson and Williamson Counties, Illinois; in Geologic Map Schema (GeMS) format; Quad: Carbondale; Author(s): Nelson, W.J.
Summary
Illinois State Geological Survey Digital Geologic Map Titled: Surficial Geology of Carbondale Quadrangle, Jackson and Williamson Counties, Illinois; in Geologic Map Schema (GeMS) format; Quad: Carbondale; Author(s): Nelson, W.J.