@misc{indiciae6afe3ac36bcd,
  title = {Homeland security and the National map},
  author = {Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey},
  year = {2002},
  doi = {10.3133/fs06102},
  url = {https://pubs.usgs.gov/publication/fs06102},
  note = {Source identifier: fs06102}
}