TY - RPRT TI - A 19-year record of chemical and isotopic composition of water from springs of the Shenandoah National Park, Virginia, 1995-2014 AU - Eurybiades Busenberg AU - Niel Plummer AU - Tyler B. Coplen AU - Michael W. Doughten AU - Peggy K. Widman AU - Gerolamo C. Casile AU - Julian E. Wayland AU - David L. Nelms PY - 2014 DO - 10.3133/ds893 UR - https://pubs.usgs.gov/publication/ds893 ID - ds893 ER -