@misc{indiciae9d513a81d4eb,
  title = {Molybdenum in the United States, exclusive of Alaska and Hawaii},
  author = {Robert Ugstad King},
  year = {1970},
  doi = {10.3133/mr55},
  url = {https://pubs.usgs.gov/publication/mr55},
  note = {Source identifier: mr55}
}