Jeffe Aronson, an experienced Colorado River guide, has put together a couple videos showing what the Colorado River looked like during high-water conditions in 1983. They are nothing short of phenomenal. There’s more great stuff on his website and vimeo channel, and he also has a multi-part book you can get on an Amazon Kindle.
Colorado River at 100,000 cfs: Part 1
Credit: 100,000 cfs Colorado River Grand Canyon 1983 Part 1 of 2 from Jeffe Aronson on Vimeo.
Colorado River at 100,000 cfs: Part 2
Credit: 100,000 cfs Colorado River Grand Canyon 1983 Part 2 of 2 from Jeffe Aronson on Vimeo.