@misc{indiciaed2891739a786,
  title = {Bedrock and soil geochemistry from Voyageurs National Park, Minnesota},
  author = {Laurel G. Woodruff and William F. Cannon and Connie L. Dicken and Shana Pimley},
  year = {2002},
  doi = {10.3133/ofr02196},
  url = {https://pubs.usgs.gov/publication/ofr02196},
  note = {Source identifier: ofr02196}
}