@misc{indiciaea8a1a478fae8,
  title = {The chemistry, mineralogy, and petrology of the George Ashley Block pegmatite body},
  author = {W.D. Kleck and E.E. Foord},
  year = {1999},
  url = {https://pubs.usgs.gov/publication/70021628},
  note = {Source identifier: 70021628}
}