Description: The data in this layer represents geologic unit contacts.
Copyright Text: Data courtesy of the Ohio Department of Natural Resources - Division of Geological Survey; Provided by the Illinois State Geological Survey
Description: The data in this layer represents shear displacement structures.
Copyright Text: Data courtesy of the Ohio Department of Natural Resources - Division of Geological Survey; Provided by the Illinois State Geological Survey
Description: The data in this layer represents geologic units.
Copyright Text: Data courtesy of the Ohio Department of Natural Resources - Division of Geological Survey; Provided by the Illinois State Geological Survey