@misc{indiciaea7ab21f488f5,
  title = {Map showing sand and gravel resources of the Webster quadrangle, Worcester County, Massachusetts and Windham County, Connecticut},
  author = {P. J. Barosh},
  year = {1978},
  doi = {10.3133/mf925},
  url = {https://pubs.usgs.gov/publication/mf925},
  note = {Source identifier: mf925}
}