@misc{indiciae50c6c9668444,
  title = {Contributions to economic geology, 1906, Part I, Metals and nonmetals except fuels; Copper--Copper deposits of the Hartville Uplift, Wyoming},
  author = {Sydney Hobart Ball},
  year = {1907},
  doi = {10.3133/b315b},
  url = {https://pubs.usgs.gov/publication/b315B},
  note = {Source identifier: b315B}
}