@misc{indiciae05646d64d9e7,
  title = {Test drilling for coal in 1982-83 in the Jefferson National Forest, Virginia : part 3, Lithologic descriptions and geophysical logs of coreholes in the Valley coal fields, Bland, Botetourt, Montgomery, Pulaski, Smyth, and Wythe Counties, Virginia},
  author = {Kenneth John Englund and J.C. Weber and R. E. Thomas and J. F. Windolph and J.W. Dryden},
  year = {1983},
  doi = {10.3133/ofr83637},
  url = {https://pubs.usgs.gov/publication/ofr83637},
  note = {Source identifier: ofr83637}
}