@misc{indiciaef15430e0a4de,
  title = {Analyses of the magnetic and nonmagnetic fractions of pan concentrates from the Hillsboro 15-minute quadrangle, southwestern New Mexico},
  author = {D. F. Siems and H. V. Alminas and K. C. Watts},
  year = {1981},
  doi = {10.3133/ofr811090},
  url = {https://pubs.usgs.gov/publication/ofr811090},
  note = {Source identifier: ofr811090}
}