@misc{indiciae784a2dae3d65,
  title = {Status of three-dimensional geological mapping and modeling activities in the U.S. Geological Survey},
  author = {Donald S. Sweetkind and Russell Graymer and D.K. Higley and Oliver S. Boyd},
  year = {2019},
  url = {https://pubs.usgs.gov/publication/70206263},
  note = {Source identifier: 70206263}
}