@misc{indiciaeea02bb30c295,
  title = {Borehole Characterization of a Methane-Yielding Bedrock Well, Tyngsborough, Massachusetts},
  author = {Herbert A. Pierce and Gregory J. Walsh and Robert A. Burruss and James R. Degnan},
  year = {2007},
  doi = {10.3133/ofr20071399},
  url = {https://pubs.usgs.gov/publication/ofr20071399},
  note = {Source identifier: ofr20071399}
}