Bedrock Geology of Chana Quadrangle, Lee and Ogle Counties, Illinois


Two 34" x 28" map sheets; sheet 1 contains map and legends; sheet 2 includes descriptive stratigraphic column, 2 cross sections, 2 figures, and descriptive text.
Delpomdor, F., and H. Wirth, 2018, Bedrock Geology of Chana Quadrangle, Lee and Ogle Counties, Illinois: Illinois State Geological Survey, USGS-STATEMAP contract report, 2 sheets, 1:24,000.
Purchase this map online through Shop ISGS*, or contact the Sales and Information Office for more information.
*excludes EDMAP series and student maps