TY - RPRT TI - Estimation of methane concentrations and loads in groundwater discharge to Sugar Run, Lycoming County, Pennsylvania AU - Victor M. Heilweil AU - Dennis W. Risser AU - Randall W. Conger AU - Paul L. Grieve AU - Scott A. Hynek PY - 2014 DO - 10.3133/ofr20141126 UR - https://pubs.usgs.gov/publication/ofr20141126 ID - ofr20141126 ER -