@misc{indiciae15a55deff6c1,
  title = {Northward extension of Carolina slate belt stratigraphy and structure, South-Central Virginia: Results from geologic mapping},
  author = {P.C. Hackley and J. D. Peper and W.C. Burton and J. Wright Horton},
  year = {2007},
  doi = {10.2475/04.2007.04},
  url = {https://pubs.usgs.gov/publication/70030164},
  note = {Source identifier: 70030164}
}