@misc{indiciaebde4c30fc778,
  title = {Aeromagnetic map of the Bernardston quadrangle, Franklin County, Massachusetts, and Windham County, Vermont},
  author = {G. E. Andreasen and G. L. Zandle},
  year = {1963},
  doi = {10.3133/gp430},
  url = {https://pubs.usgs.gov/publication/gp430},
  note = {Source identifier: gp430}
}