@misc{indiciaecfdb6a8f3571,
  title = {Rates of surficial rock creep on hillslopes in western Colorado},
  author = {S. A. Schumm},
  year = {1967},
  doi = {10.1126/science.155.3762.560},
  url = {https://pubs.usgs.gov/publication/70011477},
  note = {Source identifier: 70011477}
}