@misc{indiciae79c99b74560a,
  title = {Lakes in the Boulder-Fort Collins-Greeley area, Front Range urban corridor, Colorado},
  author = {J. F. Ficke and T. W. Danielson},
  year = {1973},
  doi = {10.3133/i855a},
  url = {https://pubs.usgs.gov/publication/i855A},
  note = {Source identifier: i855A}
}