@misc{indiciaef77eab1efd7e,
  title = {Progress report on the ground-water conditions of the Shenango and Stoneboro 15-minute quadrangles, Pennsylvania},
  author = {Grant Kimmel and G. R. Schiner},
  year = {1968},
  doi = {10.3133/ofr68158},
  url = {https://pubs.usgs.gov/publication/ofr68158},
  note = {Source identifier: ofr68158}
}