Bedrock Geology of De Soto Quadrangle, Franklin, Jackson, and Williamson Counties, Illinois
Two 34" x 28" map sheets; sheet 1 contains map and legends; sheet 2 includes descriptive stratigraphic column, 1 generalized diagram, 1 table, and descriptive text.
Nelson, W.J., 2019, Bedrock geology of De Soto Quadrangle, Franklin, Jackson, and Williamson Counties, Illinois: Illinois State Geological Survey, IGQ De Soto-BG, 2 sheets, 1:24,000.
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