@misc{indiciae4e7351ef1640, title = {Landscape consequences of natural gas extraction in Cameron, Clarion, Elk, Forest, Jefferson, McKean, Potter, and Warren Counties, Pennsylvania, 2004-2010}, author = {L. E. Milheim and E. T. Slonecker and C. M. Roig-Silva and S. G. Winters and J. R. Ballew}, year = {2014}, doi = {10.3133/ofr20141152}, url = {https://pubs.usgs.gov/publication/ofr20141152}, note = {Source identifier: ofr20141152} }