@misc{indiciae14f989e6ee5e,
  title = {Age constraints for Paleoproterozoic glaciation in the Lake Superior Region: Detrital zircon and hydrothermal xenotime ages for the Chocolay Group, Marquette Range Supergroup},
  author = {D.A. Vallini and W.F. Cannon and K. J. Schulz},
  year = {2006},
  doi = {10.1139/e06-010},
  url = {https://pubs.usgs.gov/publication/70030489},
  note = {Source identifier: 70030489}
}