@misc{indiciaed8a68d96775e,
  title = {Geologic map of the Masters 7.5' quadrangle, Weld and Morgan Counties, Colorado},
  author = {Margaret E. Berry and Janet L. Slate and James B. Paces and Paul R. Hanson and Theodore R. Brandt},
  year = {2015},
  doi = {10.3133/sim3344},
  url = {https://pubs.usgs.gov/publication/sim3344},
  note = {Source identifier: sim3344}
}