@misc{indiciaeacbba26b9b40,
  title = {Depth to the water table (1976-77) in the Boulder-Fort Collins-Greeley area, Front Range urban corridor, Colorado},
  author = {D. E. Hillier and P. A. Schneider},
  year = {1979},
  doi = {10.3133/i855i},
  url = {https://pubs.usgs.gov/publication/i855I},
  note = {Source identifier: i855I}
}