@misc{indiciae890ee98277a4,
  title = {Geologic map of the Nor Arvik coal site, southern Armenia},
  author = {E. A. Johnson and Artur Martirosyan and B.S. Pierce and Gourgen Malkhassian and Michael E. Brownfield},
  year = {2002},
  doi = {10.3133/mf2380},
  url = {https://pubs.usgs.gov/publication/mf2380},
  note = {Source identifier: mf2380}
}