@misc{indiciae69aa9498ca90,
  title = {Great Plains regional roadmap},
  author = {Larry L. Tieszen and Vance Owens and Rob Mitchell and Robin Jenkins and Tom Gerik and Alan J. Franzluebbers and John Ferrell and Jim Doolittle and Norman B. Bliss and D. Archer},
  year = {2010},
  url = {https://pubs.usgs.gov/publication/70256011},
  note = {Source identifier: 70256011}
}