TY - RPRT TI - Hydrologic budget and conditions of Permian, Pennsylvanian, and Mississippian aquifers in the Appalachian Plateaus physiographic province AU - Kurt J. McCoy AU - Richard M. Yager AU - David L. Nelms AU - David E. Ladd AU - Jack Monti, AU - Mark D. Kozar PY - 2015 DO - 10.3133/sir20155106 UR - https://pubs.usgs.gov/publication/sir20155106 ID - sir20155106 ER -