@misc{indiciaec02b34e8bc71,
  title = {Geohydrology and water quality in the vicinity of the Gettysburg National Military Park and Eisenhower National Historic Site, Pennsylvania},
  author = {A.E. Becher},
  year = {1989},
  doi = {10.3133/wri894154},
  url = {https://pubs.usgs.gov/publication/wri894154},
  note = {Source identifier: wri894154}
}