@misc{indiciae878d0dbf7150,
  title = {Change in the magnetic properties of bituminous coal intruded by an igneous dike, Dutch Creek Mine, Pitkin County, Colorado},
  author = {A. N. Thorpe and F. E. Senftle and R. B. Finkelman and F.T. Dulong and N. H. Bostick},
  year = {1998},
  doi = {10.1016/s0166-5162(98)00006-8},
  url = {https://pubs.usgs.gov/publication/70020843},
  note = {Source identifier: 70020843}
}