@misc{indiciaef7f8b8632a80,
  title = {Acid rain and its effects on streamwater quality on Catoctin Mountain, Maryland},
  author = {Karen C. Rice and O.P. Bricker},
  year = {1992},
  doi = {10.3133/ofr92168},
  url = {https://pubs.usgs.gov/publication/ofr92168},
  note = {Source identifier: ofr92168}
}