@misc{indiciaeb0d14a8bec79,
  title = {Metamorphic and igneous rocks of the merrimac area, Plumas National Forest, California},
  author = {A. Hietanen},
  year = {1951},
  doi = {10.1130/0016-7606(1951)62[565:mairot]2.0.co;2},
  url = {https://pubs.usgs.gov/publication/70221620},
  note = {Source identifier: 70221620}
}