Bedrock Geology of Otterville Quadrangle, Jersey County, Illinois
Two 35" x 30" map sheets, sheet 1 contains map, drift thickness inset, and legends; Sheet 2 includes stratigraphic column, unit descriptions, 1 cross section, 4 figures, and report.
Breeden, J.R., J.A. Devera, and F.B. Denny, 2019, Bedrock geology of Otterville Quadrangle, Jersey County, Illinois: Illinois State Geological Survey, USGS-STATEMAP contract report, 2 sheets, 1:24,000.
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