@misc{indiciae207fdef9632a,
  title = {Spectrographic and chemical analyses of geochemical samples from the Big Delta Quadrangle, Alaska},
  author = {Richard M. O’Leary and E.F. Cooley and G.W. Day and T. D. Hessin and C. M. McDougal and Steven McDanal and A. L. Clark},
  year = {1978},
  doi = {10.3133/ofr78571},
  url = {https://pubs.usgs.gov/publication/ofr78571},
  note = {Source identifier: ofr78571}
}