@misc{indiciae70e5d882b2ec,
  title = {QUALITY ASSURANCE PROGRAM FOR WET DEPOSITION SAMPLING AND CHEMICAL ANALYSES FOR THE NATIONAL TRENDS NETWORK.},
  author = {LeRoy J. Schroder and Bernard A. Malo},
  year = {1985},
  url = {https://pubs.usgs.gov/publication/70012359},
  note = {Source identifier: 70012359}
}