@misc{indiciaecd16973758db,
  title = {Geochemical studies in Alaska by the U.S. Geological Survey, 1989},
  author = {J. Thomas Nash and J. W. Stoeser},
  year = {1990},
  doi = {10.3133/b1950},
  url = {https://pubs.usgs.gov/publication/b1950},
  note = {Source identifier: b1950}
}