@misc{indiciae73ac60e00990,
  title = {Description and results of test-drilling program at Picatinny Arsenal, New Jersey, 1982-84},
  author = {P. T. Harte and B. P. Sargent and E. F. Vowinkel},
  year = {1986},
  doi = {10.3133/ofr86316},
  url = {https://pubs.usgs.gov/publication/ofr86316},
  note = {Source identifier: ofr86316}
}