@misc{indiciae2088188e78fe,
  title = {Graphs and tables used to describe electrical measurements of samples of unconsolidated materials, USGS Petrophysical Laboratory, Denver},
  author = {David L. Campbell and Robert Horton},
  year = {2000},
  doi = {10.3133/ofr2000377},
  url = {https://pubs.usgs.gov/publication/ofr2000377},
  note = {Source identifier: ofr2000377}
}