@misc{indiciae7d254803e3e3,
  title = {Contributions to economic geology, 1917, Part I, Metals and nonmetals except fuels--Possibilities for manganese ore on certain undeveloped tracts in the Shenandoah Valley, Virginia},
  author = {D. F. Hewett and G. W. Stose and F.J. Katz and H.D. Miser},
  year = {1918},
  doi = {10.3133/b660j},
  url = {https://pubs.usgs.gov/publication/b660J},
  note = {Source identifier: b660J}
}