@misc{indiciaeaf7875d2ebb0,
  title = {The problem of the Chelmsford, Massachusetts, Granite},
  author = {L.W. Currier},
  year = {2014},
  doi = {10.1029/tr018i001p00260},
  url = {https://pubs.usgs.gov/publication/70206352},
  note = {Source identifier: 70206352}
}