@misc{indiciae40ec448dced2,
  title = {Map showing unconsolidated materials, Avon Quadrangle, Connecticut},
  author = {J. R. Stone and R. W. Schnabel},
  year = {1976},
  doi = {10.3133/mf514c},
  url = {https://pubs.usgs.gov/publication/mf514C},
  note = {Source identifier: mf514C}
}