@misc{indiciae87b508b9df4b,
  title = {Mica-bearing pegmatites of New Hampshire},
  author = {J. C. Olson},
  year = {1942},
  doi = {10.3133/ofr4219},
  url = {https://pubs.usgs.gov/publication/ofr4219},
  note = {Source identifier: ofr4219}
}