@misc{indiciaed51ed22075f0,
  title = {Well yields and chemical quality of water from water-table aquifers in the Colorado Springs-Castle Rock area, Front Range urban corridor, Colorado},
  author = {D. E. Hillier and E. C. Hutchinson},
  year = {1980},
  doi = {10.3133/i857i},
  url = {https://pubs.usgs.gov/publication/i857I},
  note = {Source identifier: i857I}
}