@misc{indiciae19d498065101,
  title = {World Map Showing Surface and Subsurface Distribution, and Lithologic Character of Middle and Late Neoproterozoic Rocks},
  author = {John H. Stewart},
  year = {2007},
  doi = {10.3133/ofr20071087},
  url = {https://pubs.usgs.gov/publication/ofr20071087},
  note = {Source identifier: ofr20071087}
}