@misc{indiciae90ac4c64356e,
  title = {Maps showing mineralogical and geochemical data for heavy-mineral concentrates in the Tanacross quadrangle, Alaska},
  author = {R. B. Tripp and G.C. Curtin and G.W. Day and R. C. Karlson and S.P. Marsh},
  year = {1976},
  doi = {10.3133/mf767o},
  url = {https://pubs.usgs.gov/publication/mf767O},
  note = {Source identifier: mf767O}
}