@misc{indiciae2e1f3aea860a,
  title = {Introduction},
  author = {B. J. Miller and Dean E. Biggins and J. L. Oldemeyer and R. Crete},
  year = {1993},
  url = {https://pubs.usgs.gov/publication/70128513},
  note = {Source identifier: 70128513}
}