@misc{indiciaef55913294801,
  title = {Uranium and thorium in samples of rocks of the White Mountain Plutonic Series, New Hampshire, and whole rock chemical and spectrographic analyses of selected samples},
  author = {Arthur Pierce Butler},
  year = {1975},
  doi = {10.3133/ofr7559},
  url = {https://pubs.usgs.gov/publication/ofr7559},
  note = {Source identifier: ofr7559}
}