@misc{indiciae284a0da1930d,
  title = {Foreward},
  author = {James L. Coleman and Paul J. Post and David E. Brown},
  year = {2015},
  doi = {10.5724/gcs.15.34},
  url = {https://pubs.usgs.gov/publication/70263583},
  note = {Source identifier: 70263583}
}