@misc{indiciae6858e40b660c,
  title = {Map showing occurrences of tin minerals in Alaska},
  author = {Edwin L. Cruz and Edward Huntington Cobb},
  year = {1984},
  doi = {10.3133/mr89},
  url = {https://pubs.usgs.gov/publication/mr89},
  note = {Source identifier: mr89}
}