@misc{indiciae72bd260edcfa, title = {Baseline groundwater quality in national park units within the Marcellus and Utica Shale gas plays, New York, Pennsylvania, and West Virginia, 2011}, author = {David A.V. Eckhardt and Ronald A. Sloto}, year = {2012}, doi = {10.3133/ofr20121150}, url = {https://pubs.usgs.gov/publication/ofr20121150}, note = {Source identifier: ofr20121150} }