@misc{indiciae2ac21dd5f128,
  title = {Acid rain and our Nation's capital : a guide to effects on buildings and monuments},
  author = {Elaine S. McGee},
  year = {1995},
  doi = {10.3133/7000003},
  url = {https://pubs.usgs.gov/publication/7000003},
  note = {Source identifier: 7000003}
}