@misc{indiciaeb01fd41f89d1, title = {Production and disposal of waste materials from gas and oil extraction from the Marcellus Shale Play in Pennsylvania}, author = {Kelly O. Maloney and David A. Yoxtheimer}, year = {2017}, doi = {10.1017/s146604661200035x}, url = {https://pubs.usgs.gov/publication/70043410}, note = {Source identifier: 70043410} }