groundwater chemistry, acid mine drainage, abandoned mine reclamation, stable isotopes, geochemical modeling, coal ash, FGD - residue, hydrology issues, geochemistry

• Geochemical characterization of coal-combustion byproducts and numerical simulations of their long-term effects as capping materials at coal mine reclamation sites
• Mineral formation and the fate of iron, aluminum and sulfur within field-scale sulfate-reducing bioreactors
• Carbon isotopes as a basis for evaluating alkalinity generation over time with a sulfate-reducing bioreactor in south-central Indiana
• Weathering and leaching characteristics of a fixated scrubber sludge cap at an abandoned mine site in Pike County, Indiana
• Carbon isotopes as a basis for evaluating alkalinity generation over time within a sulfate-reducing bioreactor in south-central Indiana

• Statewide Subsurface Energy Project
• Continuation of water quality monitoring of Mississippian Aquifer springs and addition of new springs to IGWS online database
• Geochemical exploration for Borden Group brine seeps
• Continuation of water quality monitoring of Mississippian Aquifer springs and addition of new springs to IGWS online database
• Carbon Ore, Rare Earth and Critical Minerals (CORE-CM) Initiative for U.S., Basins