@misc{indiciae3f2c82535184,
  title = {Replacement materials for lead weights used in measuring ground-water levels},
  author = {B. G. Katz and J.C. Jelinski},
  year = {1999},
  doi = {10.3133/ofr9952},
  url = {https://pubs.usgs.gov/publication/ofr9952},
  note = {Source identifier: ofr9952}
}