@misc{indiciae344a94ea6d27,
  title = {Some geophysical programs, data bases, and maps from the U.S. Geological Survey, 1971-1989},
  author = {Viki Bankey and W.L. Anderson},
  year = {1989},
  doi = {10.3133/ofr89659},
  url = {https://pubs.usgs.gov/publication/ofr89659},
  note = {Source identifier: ofr89659}
}