@misc{indiciaeedb9bfbe1066,
  title = {Reference section for the Minturn Formation (Middle Pennsylvanian), northern Sangre de Cristo Range, Custer County, Colorado},
  author = {D. A. Lindsey and R. F. Clark and S. J. Soulliere},
  year = {1985},
  doi = {10.3133/mf1622c},
  url = {https://pubs.usgs.gov/publication/mf1622C},
  note = {Source identifier: mf1622C}
}