@misc{indiciaecc22e9d6d515,
  title = {Age, geochemical composition, and distribution of Oligocene ignimbrites in the northern Sierra Nevada, California: Implications for landscape morphology, elevation, and drainage divide geography of the Nevadaplano},
  author = {Elizabeth J. Cassel and Andrew T. Calvert and Stephan A. Graham},
  year = {2009},
  doi = {10.1080/00206810902880370},
  url = {https://pubs.usgs.gov/publication/70035191},
  note = {Source identifier: 70035191}
}