Surficial Geology of the Middle Illinois River Valley, Bureau, LaSalle, Marshall, Peoria, Putnam, and Woodford Counties, Illinois Read more about Surficial Geology of the Middle Illinois River Valley, Bureau, LaSalle, Marshall, Peoria, Putnam, and Woodford Counties, Illinois
Structural cross section of the Paleozoic rocks in Illinois, Wayne County to Stephenson County Read more about Structural cross section of the Paleozoic rocks in Illinois, Wayne County to Stephenson County
Soil parent materials of the middle Illinois River Valley, Bureau, LaSalle, Marshall, Peoria, Putnam, and Woodford Counties, Illinois Read more about Soil parent materials of the middle Illinois River Valley, Bureau, LaSalle, Marshall, Peoria, Putnam, and Woodford Counties, Illinois
Karst terrains and carbonate rocks of Illinois Read more about Karst terrains and carbonate rocks of Illinois
Geological and Geophysical Maps of the Illinois Basin-Ozark Dome Region Read more about Geological and Geophysical Maps of the Illinois Basin-Ozark Dome Region
Geologic Road Map of Illinois: Surface Deposits and Landscapes Read more about Geologic Road Map of Illinois: Surface Deposits and Landscapes
Geologic Cross Sections across the Mahomet Bedrock Valley Read more about Geologic Cross Sections across the Mahomet Bedrock Valley
Elevation of the Basal Sand and Gravel of the Middle Illinois River Valley, Bureau, LaSalle, Marshall, Peoria, Putnam, and Woodford Counties, Illinois Read more about Elevation of the Basal Sand and Gravel of the Middle Illinois River Valley, Bureau, LaSalle, Marshall, Peoria, Putnam, and Woodford Counties, Illinois