@misc{indiciaea99716d5df19,
  title = {Ahead of his time: Jacob Lipman's 1930 estimate of atmospheric sulfur deposition for the conterminous United States},
  author = {Edward R. Landa and James B. Shanley},
  year = {2015},
  doi = {10.1097/ss.0000000000000118},
  url = {https://pubs.usgs.gov/publication/70159501},
  note = {Source identifier: 70159501}
}