1. Baseline groundwater quality in national park units within the Marcellus and Utica Shale gas plays, New York, Pennsylvania, and West Virginia, 2011 Author/Creator: Eckhardt, David A. Publication/Creation: Reston, Va. : U.S. Dept. of the Interior, U.S. Geological Survey, 2012 Resource Type: Book Access & Availability: Loading
2. Ground-water quality in the upper Susquehanna River Basin, New York, 2004-05 Author/Creator: Hetcher, Kari K. Publication/Creation: Reston, VA : U.S. Dept. of the Interior, U.S. Geological Survey, 2006 Resource Type: Book Access & Availability: Loading