@misc{indiciae18cca0427983,
  title = {A comparison among caliper-log, gamma-ray-log, and other diamond-drillhole data},
  author = {C. M. Bunker and H.C. Hamontre},
  year = {1959},
  doi = {10.3133/b1052g},
  url = {https://pubs.usgs.gov/publication/b1052G},
  note = {Source identifier: b1052G}
}