@misc{indiciae15a12918a21c,
  title = {Geochemical maps showing distribution and abundance of bismuth and beryllium in the nonmagnetic fraction of stream-sediment concentrates, Silver City 1 degree by 2 degrees Quadrangle, New Mexico and Arizona},
  author = {Kenneth C. Watts and Jerry R. Hassemer and Carl L. Forn and David F. Siems},
  year = {1986},
  doi = {10.3133/mf1183h},
  url = {https://pubs.usgs.gov/publication/mf1183H},
  note = {Source identifier: mf1183H}
}