@misc{indiciae58d3f2a8c387,
  title = {Operation and maintenance of a deep-well water-level measurement device, the "Iron Horse"},
  author = {J. E. Weir and J.W. Nelson},
  year = {1976},
  doi = {10.3133/wri7627},
  url = {https://pubs.usgs.gov/publication/wri7627},
  note = {Source identifier: wri7627}
}