@misc{indiciaecb7a0ad20db9,
  title = {EarthNow!},
  author = {Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey},
  year = {2008},
  doi = {10.3133/gip81},
  url = {https://pubs.usgs.gov/publication/gip81},
  note = {Source identifier: gip81}
}