@misc{indiciae01d56f259bf3,
  title = {Magnetic susceptibilities of samples of plutonic rocks in the Mariposa 1 degree by 2 degrees quadrangle, California},
  year = {1990},
  doi = {10.3133/ofr90448},
  url = {https://pubs.usgs.gov/publication/ofr90448},
  note = {Source identifier: ofr90448}
}