@misc{indiciae42f95648366b,
  title = {Aeromagnetic map of part of the Cornwall quadrangle, Orange County, New York},
  author = {G. E. Andreasen and F. C. Smith},
  year = {1962},
  doi = {10.3133/gp337},
  url = {https://pubs.usgs.gov/publication/gp337},
  note = {Source identifier: gp337}
}