James C. Bradbury

• A geologic excursion to fluorspar mines in Hardin and Pope Counties, Illinois
• Barite in the southern Illinois fluorspar district
• Chemical and physical character of the Pennsylvanian sandstones in central Illinois
• Crevice lead-zinc deposits of northwestern Illinois
• Dolomite resources of Boone and De Kalb Counties
• Fluorspar in Illinois
• Geologic structure map of the northwestern Illinois zinc-lead district
• Intrusive breccias at Hicks Dome, Hardin County, Illinois
• Preliminary report on uranium in Hardin County, Illinois
• The PreCambrian basement of Illinois
• Trace elements, rare earths, and chemical composition of southern Illinois igneous rocks
• Joliet-Lemont limestone