@misc{indiciaeadc202c91247,
  title = {Map showing drainage areas, Mount Tom Quadrangle, Massachusetts},
  author = {C.J. Londquist},
  year = {1975},
  doi = {10.3133/mf504b},
  url = {https://pubs.usgs.gov/publication/mf504B},
  note = {Source identifier: mf504B}
}