1. Brook GA, Allison TL (1986) Fracture mapping and ground susceptibility modeling in covered karst terrain—the example of Dougherty County, Georgia. In: Land subsidence, IAHS-AISH Publication vol 151, pp 595–606
2. Dean SL, Kulander BR, Lessing P (1987) Geology of the Hedgesville, Keedysville, Martinsburg, Shepherdstown, and Williamsport quadrangles, Berkeley and Jefferson Counties, West Virginia. West Virginia Geologic and Economic Survey Map MAP-WV31, scale 1:24,000
3. Dean SL, Kulander BR, Lessing P (1990) Geology of the Berryville, Charles Town, Harpers Ferry, Middleway, and Round Hill quadrangles, Berkeley and Jefferson Counties, West Virginia. West Virginia Geologic and Economic Survey Map MAP-WV35, scale 1:24,000
4. Doctor DH, Weary DJ, Orndorff RC, Harlow GE Jr, Kozar MD, Nelms DL (2008a) Bedrock structural controls on the occurrence of sinkholes and springs in the northern Great Valley karst, Virginia and West Virginia. In: Yuhr LB, Alexander EC Jr, Beck BF (eds) Sinkholes and the engineering and environmental impacts of karst: proceedings of the eleventh multidisciplinary conference, American Society of Civil Engineers, Geotechnical Special Publication no. 183, pp 12–22
5. Doctor KZ, Doctor DH, Kronenfeld B, Wong DWS, Brezinski DK (2008b) Predicting sinkhole susceptibility in Frederick Valley, Maryland, using geographically weighted regression. In: Yuhr LB, Alexander EC Jr, Beck BF (eds) Sinkholes and the engineering and environmental impacts of karst: proceedings of the eleventh multidisciplinary conference, American Society of Civil Engineers, Geotechnical Special Publication no. 183, pp 243–256