@misc{indiciaee9715079969b,
  title = {USGS national surveys and analysis projects: Preliminary compilation of integrated geological datasets for the United States},
  author = {Suzanne W. Nicholson and Douglas B. Stoeser and Frederic H. Wilson and Connie L. Dicken and Steve Ludington},
  year = {2007},
  url = {https://pubs.usgs.gov/publication/70175149},
  note = {Source identifier: 70175149}
}