@misc{indiciaeec5e59767faf,
  title = {Age determinations of the San Gabriel Anorthosite Massif, California},
  author = {G. J. Neuerburg and David Gottfried},
  year = {1954},
  doi = {10.1130/0016-7606(1954)65[465:adotsg]2.0.co;2},
  url = {https://pubs.usgs.gov/publication/70221465},
  note = {Source identifier: 70221465}
}