@misc{indiciaeec6947bc5b52,
  title = {Widespread buried Precambrian layered sequences in the U.S. mid- continent: Evidence for large Proterozoic depositional basins},
  author = {T. L. Pratt and E.C. Hauser and Kim Nelson},
  year = {1992},
  doi = {10.1306/bdff89fc-1718-11d7-8645000102c1865d},
  url = {https://pubs.usgs.gov/publication/70017104},
  note = {Source identifier: 70017104}
}