@misc{indiciae81f569c9e2e9,
  title = {Topographic map showing drainage basins associated with pre-dam terraces in the Granite Park area, Grand Canyon, Arizona},
  author = {K. S. Thompson and K. J. Burke and Richard Hereford},
  year = {1996},
  doi = {10.3133/ofr96298},
  url = {https://pubs.usgs.gov/publication/ofr96298},
  note = {Source identifier: ofr96298}
}