@misc{indiciaea26828f2708f,
  title = {Steeply dipping heaving bedrock, Colorado: Part 2 - Mineralogical and engineering properties},
  author = {D.C. Noe and J.D. Higgins and H. W. Olsen},
  year = {2007},
  doi = {10.2113/gseegeosci.13.4.309},
  url = {https://pubs.usgs.gov/publication/70031281},
  note = {Source identifier: 70031281}
}