@misc{indiciae7cc5cb65d5fa,
  title = {Mica-bearing pegmatites of New Hampshire},
  author = {J. C. Olson},
  year = {1941},
  doi = {10.3133/ofr4125},
  url = {https://pubs.usgs.gov/publication/ofr4125},
  note = {Source identifier: ofr4125}
}