TY - RPRT TI - Landscape disturbance from unconventional and conventional oil and gas development in the Marcellus Shale region of Pennsylvania, USA AU - Terry E. Slonecker AU - Lesley E. Milheim PY - 2015 DO - 10.3390/environments2020200 UR - https://pubs.usgs.gov/publication/70148452 ID - 70148452 ER -