@misc{indiciae790abc8d6461,
  title = {Tectonic and regional metamorphic implications of the discovery of Middle Ordovician conodonts in cover rocks east of the Green Mountain massif, Vermont},
  author = {N. M. Ratcliffe and A. G. Harris and G. J. Walsh},
  year = {1999},
  doi = {10.1139/e99-009},
  url = {https://pubs.usgs.gov/publication/70021802},
  note = {Source identifier: 70021802}
}