1. Howard's cave disaster;Black;Natl. Speleol. Soc. News,1966
2. Hydrogeologic investigations of contaminant movement in karst aquifers in the vicinity of a train derailment near Lewisburg, Tennessee;Crawford;Environ. Geol.,1994
3. The transmission of light hydrocarbon contaminants in limestone (karst) aquifers;Ewers,1991
4. Shallow lateral DNAPL migration within slightly dipping limestone, southwestern Kentucky;Jancin;Eng. Geol.,2002
5. Polychlorinated biphenyl (PCB) contamination of a karst aquifer in an urban environment, central Indiana, USA;Krothe,1999