@misc{indiciaeb71a5bbb00d6,
  title = {Aeromagnetic map of the High Bridge quadrangle, Warren and Hunterdon Counties, New Jersey},
  author = {G. E. Andreasen and E. J. Chandler},
  year = {1963},
  doi = {10.3133/gp349},
  url = {https://pubs.usgs.gov/publication/gp349},
  note = {Source identifier: gp349}
}