@misc{indiciaeac7519158184,
  title = {Further paleomagnetic results for the San Juan volcanic field of southern Colorado},
  author = {M. E. Beck and S.D. Sheriff and J. F. Diehl and E.A. Hailwood and P. W. Lipman},
  year = {1977},
  doi = {10.1016/0012-821x(77)90153-4},
  url = {https://pubs.usgs.gov/publication/70009970},
  note = {Source identifier: 70009970}
}