TY - RPRT TI - Evaluation of well logs for determining the presence of freshwater, saltwater, and gas above the Marcellus Shale in Chemung, Tioga, and Broome Counties, New York AU - John H. Williams PY - 2010 DO - 10.3133/sir20105224 UR - https://pubs.usgs.gov/publication/sir20105224 ID - sir20105224 ER -