@misc{indiciae9ef9bc677ae4,
  title = {Groundwater quality and simulation of sources of water to wells in the Marsh Creek valley at the U.S. Geological Survey Northern Appalachian Research Laboratory, Tioga County, Pennsylvania},
  author = {Dennis W. Risser and Kevin J. Breen},
  year = {2012},
  doi = {10.3133/sir20125042},
  url = {https://pubs.usgs.gov/publication/sir20125042},
  note = {Source identifier: sir20125042}
}