@misc{indiciae7e7ad69e5db9,
  title = {Instrumental neutron activation analyses of Cenozoic volcanic rocks, phenocrysts, and associated intrusions from the southern Rocky Mountains and adjacent areas},
  author = {Peter W. Lipman and H. R. Bowman and R. Knight and Hugh T. Millard and J.S. Pallister and K. Street and H. Wollenberg and R. A. Zielinski},
  year = {1982},
  doi = {10.3133/ofr821069},
  url = {https://pubs.usgs.gov/publication/ofr821069},
  note = {Source identifier: ofr821069}
}