@misc{indiciaeeeee2fafe917,
  title = {Reconnaissance shallow seismic investigation of depth-to-bedrock and possible methane-bearing coalbeds, Galena, Alaska},
  author = {William J. Stephenson and Robert A. Williams and Jack K. Odum and David M. Worley and Charles E. Barker and Arthur C. Clark and James G. Clough},
  year = {2002},
  doi = {10.3133/ofr02450},
  url = {https://pubs.usgs.gov/publication/ofr02450},
  note = {Source identifier: ofr02450}
}