@misc{indiciaea57f0de75270,
  title = {Geologic map of the northwestern part of the Pueblo 1 degree x 2 degrees Quadrangle, Colorado},
  author = {Rudy C. Epis and R. A. Wobus and C. T. Wrucke and G. R. Scott and R. B. Taylor},
  year = {1975},
  doi = {10.3133/ofr75339},
  url = {https://pubs.usgs.gov/publication/ofr75339},
  note = {Source identifier: ofr75339}
}