@misc{indiciae991df6ba573c,
  title = {Plans of the U.S.Geological Survey, water resources division for research, investigations, and data collection in ground water},
  author = {J. E. Upson},
  year = {2006},
  doi = {10.1111/j.1745-6584.1967.tb01244.x},
  url = {https://pubs.usgs.gov/publication/70221311},
  note = {Source identifier: 70221311}
}