@misc{indiciae1a911a75ab5a,
  title = {Preliminary bedrock geologic map of the Vermont part of the 7.5 x 15 minute Mount Ascutney and Springfield quadrangles, Windsor County, Vermont},
  author = {G. J. Walsh and T. R. Armstrong and N. M. Ratcliffe},
  year = {1996},
  doi = {10.3133/ofr96719},
  url = {https://pubs.usgs.gov/publication/ofr96719},
  note = {Source identifier: ofr96719}
}