@misc{indiciae1316e8a14b3a,
  title = {Geology along Mosca Pass Trail, Great Sand Dunes National Park and Preserve, Colorado},
  author = {David A. Lindsey and Terry L. Klein and Andrew Valdez and Robert J. Webster},
  year = {2012},
  doi = {10.3133/cir1374},
  url = {https://pubs.usgs.gov/publication/cir1374},
  note = {Source identifier: cir1374}
}