@misc{indiciae6d7de25cf994,
  title = {The Evolving Landscape of the Columbia River Gorge: Lewis and Clark and Cataclysms on the Columbia},
  author = {James E. O'Connor},
  year = {2004},
  url = {https://pubs.usgs.gov/publication/70173682},
  note = {Source identifier: 70173682}
}