@misc{indiciaefd32aa5dc290,
  title = {Map showing anomalous lead distribution in stream sediment concentrates, Hillsboro and San Lorenzo quadrangles, exclusive of the Black Range Primitive Area, Sierra and Grant counties, New Mexico},
  author = {K. C. Watts and H. V. Alminas and J. M. Nishi and W.C. Crim},
  year = {1978},
  doi = {10.3133/mf900j},
  url = {https://pubs.usgs.gov/publication/mf900J},
  note = {Source identifier: mf900J}
}