Bedrock Geology of Coal Valley Quadrangle, Rock Island and Henry Counties, Illinois
Two 35" x 30" map sheets; sheet 1 contains map and legends; sheet 2 includes stratigraphic column with descriptions and 2 cross sections. The accompanying report includes discussions, references, 9 figures and 3 plates.
Delpomdor, F.R.A., 2021, Bedrock geology of Coal Valley Quadrangle, Rock Island and Henry Counties, Illinois: Illinois State Geological Survey, USGS-STATEMAP contract report, STATEMAP Coal Valley-BG, 2 sheets, 1:24,000, report, 29 p.
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