@misc{indiciae44f8f1f1b671,
  title = {Cooperative and other activities of the Water Resources Division of the U. S. Geological Survey},
  author = {C. G. Paulsen},
  year = {1955},
  doi = {10.3133/ofr55135},
  url = {https://pubs.usgs.gov/publication/ofr55135},
  note = {Source identifier: ofr55135}
}