@misc{indiciaec716240b5824,
  title = {Aeromagnetic map of the Woronoco quadrangle, Hampden and Hampshire Counties, Massachusetts},
  author = {G. R. Boynton and Peter Popenoe and G. L. Zandle},
  year = {1965},
  doi = {10.3133/gp537},
  url = {https://pubs.usgs.gov/publication/gp537},
  note = {Source identifier: gp537}
}