@misc{indiciae521a20a509dc,
  title = {Map showing anomalous zinc distribution in stream sediment concentrates, Hillsboro and San Lorenzo quadrangles exclusive of the Black Range Primitive Area, Sierra and Grant counties, New Mexico},
  author = {H. V. Alminas and K. C. Watts and D. F. Siems and V. E. Kraxberger},
  year = {1978},
  doi = {10.3133/mf900f},
  url = {https://pubs.usgs.gov/publication/mf900F},
  note = {Source identifier: mf900F}
}