@misc{indiciae7bd74802f4df,
  title = {Contour map of the bedrock surface, New Britain Quadrangle, Connecticut},
  author = {E. H. Handman},
  year = {1975},
  doi = {10.3133/mf523c},
  url = {https://pubs.usgs.gov/publication/mf523C},
  note = {Source identifier: mf523C}
}