@misc{indiciaee93892ebded6,
  title = {Minerals, lands, and geology for the common defence and general welfare, Volume 4, 1939-1961: A history of geology in relation to the development of public-land, federal science, and mapping policies and the development of mineral resources in the United States from the 60th to the 82d year of the U.S. Geological Survey},
  author = {Mary C. Rabbitt and Clifford M. Nelson},
  year = {2015},
  doi = {10.3133/70142267},
  url = {https://pubs.usgs.gov/publication/70140202},
  note = {Source identifier: 70140202}
}