@misc{indiciae6451fc447cf2,
  title = {Free-air gradient observations in Yucca Flat, Nye County, Nevada},
  author = {P. S. Powers and D.L. Healey},
  year = {1985},
  doi = {10.3133/ofr85530},
  url = {https://pubs.usgs.gov/publication/ofr85530},
  note = {Source identifier: ofr85530}
}