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Geology Resources
Bedrock Geology
Caves in Illinois: Our Subterranean Landscape
Karst Landscapes of Illinois: Dissolving Bedrock and Collapsing Soil
Earth Resources and Mining
Coal Formation in Illinois
Coal: Illinois' Black Treasure
Gold: Its Occurrence in Illinois
History of Oil and Gas Production in Illinois
Illinois Energy Production and Consumption
Oil Fields in Illinois
Glacial Geology
Classification of Quaternary Time and Deposits
End Moraines: the End of the Glacial Ride
Evidence for Glaciation
Glacial Geology Overview
Glacial Sedimentary Environments and Deposits
Quaternary Glaciations in Illinois
Quaternary History in Illinois
Mineralogy, Crystallography, and Rocks
Exotic Rocks... or Erratics are Erratic
Fluorite: Illinois' State Mineral
Geodes: Small Treasure Vaults in Illinois
Guide to Rocks and Minerals of Illinois
Pyrite Suns
Paleontology
Build Illinois: The Last 500 Million Years
Guide for Beginning Fossil Hunters
Ice Age Residents of Illinois
Illinois' State Fossil Tullimonstrum gregarium
Mississippian Rocks in Illinois
Pennsylvanian Rocks in Illinois
The Trilobite: An Early Inhabitant of Illinois
Physical and Chemical Processes
Faults in Illinois
Formation of Hicks Dome in Southern Illinois
Plate Tectonics: Mysteries Solved!
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