Glen Denny's book Published by Patagonia; a collection of rare black-and-white photographs of the Yosemite Valley, including intimate portraits of its big-wall pioneers during the late fifties and early sixties. The Yosemite In the Sixties by Glen Denny (Patagonia hardcover book) is fully backed by our Ironclad Guarantee and you can find it on Patagonia.com. | Yosemite In the Sixties Hardcover Book by Glen Denny from Patagonia - Outdoor Books