@misc{indiciae98982b10b241,
  title = {Cones for sampling accumulated solids in ponds},
  author = {James E. Ellis and Dewey L. Tackett},
  year = {1977},
  doi = {10.1577/1548-8659(1977)39[66:cfsasi]2.0.co;2},
  url = {https://pubs.usgs.gov/publication/1013857},
  note = {Source identifier: 1013857}
}