@misc{indiciae265ff7889cf6,
  title = {Aeromagnetic map of parts of the Monroe and Maybrook quadrangles, Orange County, New York},
  author = {J. R. Henderson and F. C. Smith},
  year = {1962},
  doi = {10.3133/gp339},
  url = {https://pubs.usgs.gov/publication/gp339},
  note = {Source identifier: gp339}
}