@misc{indiciaec2210bd7fcef,
  title = {Hydrologic budget and conditions of Permian, Pennsylvanian, and Mississippian aquifers in the Appalachian Plateaus physiographic province},
  author = {Kurt J. McCoy and Richard M. Yager and David L. Nelms and David E. Ladd and Jack Monti, and Mark D. Kozar},
  year = {2015},
  doi = {10.3133/sir20155106},
  url = {https://pubs.usgs.gov/publication/sir20155106},
  note = {Source identifier: sir20155106}
}