TY - RPRT TI - Shale gas development has limited effects on stream biology and geochemistry in a gradient-based, multiparameter study in Pennsylvania AU - Adam C. Mumford AU - Kelly O. Maloney AU - Denise M. Akob AU - Sarah Nettemann AU - Arianne Proctor AU - Jason Ditty AU - Luke Ulsamer AU - Josh Lookenbill AU - Isabelle M. Cozzarelli PY - 2020 DO - 10.1073/pnas.1911458117 UR - https://pubs.usgs.gov/publication/70210505 ID - 70210505 ER -