Rock Hounds and River Rats: The 1937 Carnegie-CalTech Grand Canyon Expedition – Prescott
Phippen Museum 4701 U.S. HWY 89N, Prescott, AZ, United StatesIn 1937, a group of CalTech geology professors and hardy boatmen set out in small wooden boats on a 6 week journey through the Grand Canyon to study the ancient […]