@misc{indiciae5e64b309c551,
  title = {Strategic minerals investigations, 1941: Part 1, A-J},
  author = {Eugene Callaghan and S. W. Hobbs and L. R. Page},
  year = {1943},
  doi = {10.3133/b931aj},
  url = {https://pubs.usgs.gov/publication/b931AJ},
  note = {Source identifier: b931AJ}
}