1. PADEP. Commonwealth of Pennsylvania; 2019.
2. Surface subsidence engineering;Peng,1992
3. Surface subsidence in longwall mining: a case study. Master’s dissertation;Yancich,1986
4. O’Connor K. The effects of undermining interstate route 70, South Strabane Township, Washington County, Pennsylvania. Pennsylvania Department of Environmental Protection; 2001.
5. Gutierrez JJ, Vallejo LE, Lin JS. A study of highway subsidence due to longwall mining using data collected from I-79. Pennsylvania Department of Transportation, Final Report 510601; 2010.