@misc{indiciae077a313e60f9,
  title = {The United States Geological Survey: A vision for the 21st century},
  author = {Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey},
  year = {1993},
  doi = {10.3133/70039481},
  url = {https://pubs.usgs.gov/publication/70039481},
  note = {Source identifier: 70039481}
}