@misc{indiciae30c55faec91b,
  title = {Geologic map of the Fort Collins 30'×60' quadrangle, Larimer and Jackson Counties, Colorado, and Albany and Laramie Counties, Wyoming},
  author = {Jeremiah B. Workman and James C. Cole and Ralph R. Shroba and Karl S. Kellogg and Wayne R. Premo},
  year = {2018},
  doi = {10.3133/sim3399},
  url = {https://pubs.usgs.gov/publication/sim3399},
  note = {Source identifier: sim3399}
}