@misc{indiciae5f7caaf90324,
  title = {Mineralization potential along the trend of the Keweenawan- age Central North American Rift System in Iowa, Nebraska, and Kansas},
  author = {P. Berendsen},
  year = {1989},
  url = {https://pubs.usgs.gov/publication/70015574},
  note = {Source identifier: 70015574}
}