@misc{indiciae29eb4f50ba8d,
  title = {Rare earth elements in weathering profiles and sediments of Minnesota: Implications for provenance studies},
  author = {G. B. Morey and D. R. Setterholm},
  year = {1997},
  doi = {10.1306/d4268504-2b26-11d7-8648000102c1865d},
  url = {https://pubs.usgs.gov/publication/70020241},
  note = {Source identifier: 70020241}
}