@misc{indiciae26f15adb5c02,
  title = {National Mapping Division Strategic Direction 1997},
  author = {Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey},
  year = {1997},
  doi = {10.3133/70039556},
  url = {https://pubs.usgs.gov/publication/70039556},
  note = {Source identifier: 70039556}
}