@misc{indiciae02e5d9f45256,
  title = {Map showing citrate-soluble heavy metals in stream sediments, Ossipee Lake quadrangle, Carroll County, New Hampshire},
  author = {D. P. Cox},
  year = {1969},
  doi = {10.3133/i609},
  url = {https://pubs.usgs.gov/publication/i609},
  note = {Source identifier: i609}
}