Regional Maps

Drift Thickness of the Middle Illinois River Valley
Drift Thickness of the Middle Illinois River Valley
One 37" × 44" map sheet; includes map, legends, and descriptive text with 3 figures.
Structural cross section of Paleozoic rocks in Illinois
Structural cross section of the Paleozoic rocks in Illinois, Wayne County to Stephenson County
Two 34" × 41" map sheets
Lower Wabash Valley Illinois, Indiana, and Kentucky
Infrastructure for Emergency Response Planning in the Vicinity of the Lower Wabash Valley Illinois, Indiana, and Kentucky
Geologic Materials in the Vicinity of the Lower Wabash Valley Illinois, Indiana, and Kentucky
Geologic Materials in the Vicinity of the Lower Wabash Valley Illinois, Indiana, and Kentucky
Middle Illinois River Valley Surficial Map
Surficial Geology of the Middle Illinois River Valley
One 35" × 46" map sheet and one 7-page report; map sheet contains map, legends, and 3 cross sections; report includes descriptive text with 1 figure.
Middle Illinois River Valley Bedrock Map
Bedrock Topography of the Middle Illinois River Valley
One 38" × 44" map sheet; includes map, legends, and descriptive text with 2 figures.
Middle Illinois River Valley Elevation Map
Elevation of the Basal Sand and Gravel of the Middle Illinois River Valley
One 37" × 44" map sheet; includes map, legends, and descriptive text with 4 figures.