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

• Carbon Ore, Rare Earth and Critical Minerals (CORE-CM) Initiative for U.S., Basins
• Uplands Drinking Water: Formative research with stakeholders to support reliable, safe, and affordable water
• Data Preservation: Priority 2 –Strategic planning for data preservation related to coal-coal waste-coal combustion products chain in Indiana
• Interdisciplinary Highly-Collaborative Research
• FY2020 USGS NGGDPP Grant: CARST: Collective Access & Resource Space Tandem for Simultaneous Management of Physical Sample Collections and Digital Assets