@misc{indiciae05bd2659bcab,
  title = {Estimates of inorganic nitrogen wet deposition from precipitation for the conterminous United States, 1955-84},
  author = {Jo Ann M. Gronberg and Amy S. Ludtke and Donna L. Knifong},
  year = {2014},
  doi = {10.3133/sir20145067},
  url = {https://pubs.usgs.gov/publication/sir20145067},
  note = {Source identifier: sir20145067}
}