@misc{indiciae965995b61d8c,
  title = {Geology of T. 1 S., R. 44 W., unsurveyed, Umiat principal meridian, in the Kukpowruk coal field, Alaska},
  author = {James E. Callahan and A. A. Wanek and E. M. Schell and H. D. Zeller and W. L. Rohrer},
  year = {1969},
  doi = {10.3133/ofr6930},
  url = {https://pubs.usgs.gov/publication/ofr6930},
  note = {Source identifier: ofr6930}
}