@misc{indiciae68c791e3e13c,
  title = {Bedrock Geology of the North Adams quadrangle, Massachusetts-Vermont},
  author = {Norman Herz},
  year = {1961},
  doi = {10.3133/gq139},
  url = {https://pubs.usgs.gov/publication/gq139},
  note = {Source identifier: gq139}
}