Rock Hounds and River Rats: The 1937 Carnegie-CalTech Grand Canyon Expedition

Casa Grande Public Library 449 N. Dry Lake St., Casa Grande, AZ, United States

In 1937, a team of CalTech geology professors and rough-and-tumble boatmen set out in three small wooden boats on a six-week journey through the Grand Canyon to study the ancient rocks of the canyon’s Inner Gorge. At the time, fewer than a dozen river parties had successfully run the canyon–often with a loss of boats […]

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