@misc{indiciae96e11d418450,
  title = {USGS national surveys and analysis projects: Preliminary compilation of integrated geological datasets for the United States: A section in Digital mapping techniques '06 - Workshop proceedings},
  author = {Suzanne W. Nicholson and Douglas B. Stoeser and Frederic H. Wilson and Connie L. Dicken and Stephen Ludington},
  year = {2007},
  doi = {10.3133/70180392},
  url = {https://pubs.usgs.gov/publication/70180392},
  note = {Source identifier: 70180392}
}