@misc{indiciae2c395d335c4e,
  title = {Helicopter electromagnetic and magnetic survey maps and data, East Poplar oil field area, Fort Peck Indian Reservation, northeastern Montana, August 2004},
  author = {Bruce D. Smith and Joanna N. Thamke and Michael J. Cain and Christa Tyrrell and Patricia L. Hill},
  year = {2006},
  doi = {10.3133/ofr20061216},
  url = {https://pubs.usgs.gov/publication/ofr20061216},
  note = {Source identifier: ofr20061216}
}