@misc{indiciae0017fe3b12b0,
  title = {The National Map Pilot Projects},
  author = {Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey},
  year = {2002},
  doi = {10.3133/fs06202},
  url = {https://pubs.usgs.gov/publication/fs06202},
  note = {Source identifier: fs06202}
}