@misc{indiciae8f347a186340,
  title = {The underflow of the South Platte Valley},
  author = {Charles Sumner Slichter and Henry C. Wolff},
  year = {1906},
  doi = {10.3133/wsp184},
  url = {https://pubs.usgs.gov/publication/wsp184},
  note = {Source identifier: wsp184}
}