@misc{indiciae791a367ba845,
  title = {Geologic map of the Blandford quadrangle, Hampden and Hampshire counties, Massachusetts},
  author = {Norman L. Hatch and Rolfe S. Stanley},
  year = {1976},
  doi = {10.3133/gq1312},
  url = {https://pubs.usgs.gov/publication/gq1312},
  note = {Source identifier: gq1312}
}