@misc{indiciae6de5dae80227,
  title = {Surficial geologic map of the Heath-Northfield-Southwick-Hampden 24-quadrangle area in the Connecticut Valley region, west-central Massachusetts},
  author = {Janet Radway Stone and Mary L. DiGiacomo-Cohen},
  year = {2010},
  doi = {10.3133/ofr20061260g},
  url = {https://pubs.usgs.gov/publication/ofr20061260G},
  note = {Source identifier: ofr20061260G}
}