@misc{indiciae8cfcaf408c07,
  title = {Radioactive phonolite and associated thorium - rare earth - niobium veins in the Laughlin Peak area, Chico Hills, Colfax County, New Mexico},
  author = {Charles M. Tschanz},
  year = {1958},
  doi = {10.3133/tei230},
  url = {https://pubs.usgs.gov/publication/tei230},
  note = {Source identifier: tei230}
}