@misc{indiciae774fa9b72c5e,
  title = {Joints in Precambrian rocks, Central City-Idaho Springs area, Colorado},
  author = {Jack Edward Harrison and Robert Hadley Moench},
  year = {1961},
  doi = {10.3133/pp374b},
  url = {https://pubs.usgs.gov/publication/pp374B},
  note = {Source identifier: pp374B}
}