Frego Creek Dye Trace Image Date Issued 2008 Author Green, Jeffrey A. Peters, Andrew J. Luhmann, Andrew J. Alexander, Jr., E. Calvin Alexander, Scott C. Main Topic Water Quality & Pollutants
Sinkholes, Sinkhole Probability, and Springs and Seeps Image Date Issued 2003 Author Alexander, Jr., E. Calvin Berner, David J. Gao, Yongli Green, Jeffrey A. Main Topic Groundwater Wastewater Hydrology
