@misc{indiciae433da2b3dad8,
  title = {Water-resources investigations of the U.S. Geological Survey in Colorado, fiscal year 1977},
  author = {John B. Weeks and Donald E. Hillier},
  year = {1977},
  doi = {10.3133/ofr77532},
  url = {https://pubs.usgs.gov/publication/ofr77532},
  note = {Source identifier: ofr77532}
}