Edward Abbey, author of Desert Solitaire, shown here by the Colorado River at Canyonlands National Park in 1969.

Abbey007
Abbey007

Edward Abbey, author of Desert Solitaire, shown here by the Colorado River at Canyonlands National Park in 1969.

Abbey012
Abbey012

Edward Abbey, author of Desert Solitaire, shown here by the Colorado River at Canyonlands National Park in 1969.

Abbey011
Abbey011

Edward Abbey, author of Desert Solitaire, shown here by the Colorado River at Canyonlands National Park in 1969.

Abbey006
Abbey006

Edward Abbey, author of Desert Solitaire, shown here by the Colorado River at Canyonlands National Park in 1969.

Abbey010
Abbey010

Edward Abbey, author of Desert Solitaire, shown here by the Colorado River at Canyonlands National Park in 1969.

Abbey009
Abbey009

Edward Abbey, author of Desert Solitaire, shown here by the Colorado River at Canyonlands National Park in 1969.

Abbey008
Abbey008

Edward Abbey, author of Desert Solitaire, shown here by the Colorado River at Canyonlands National Park in 1969.

Abbey005
Abbey005

Edward Abbey, author of Desert Solitaire, shown here by the Colorado River at Canyonlands National Park in 1969.

Abbey004
Abbey004

Edward Abbey and writer Daniel Chapman drinking cold beverages from a ground fridge in the desert at Canyonlands National Park in 1969.

Abbey003
Abbey003

Edward Abbey and writer Daniel Chapman drinking cold beverages from a ground fridge in the desert at Canyonlands National Park in 1969.

Abbey002
Abbey002

Edward Abbey, author of Desert Solitaire, shown here in the desert at Canyonlands National Park in 1969.

Abbey001
Abbey001

Edward Abbey, author of Desert Solitaire, shown here in the desert at Canyonlands National Park in 1969.

Abbey014
Abbey014

Edward Abbey, author of Desert Solitaire, shown here in the desert at Canyonlands National Park in 1969.

Abbey018
Abbey018

Edward Abbey, author of Desert Solitaire, shown here in the desert at Canyonlands National Park in 1969.

Abbey023
Abbey023

Edward Abbey, author of Desert Solitaire, shown here in the desert at Canyonlands National Park in 1969.

Abbey017
Abbey017

Edward Abbey, author of Desert Solitaire, shown here in the desert at Canyonlands National Park in 1969.

Abbey019
Abbey019

Edward Abbey, author of Desert Solitaire, shown here in the desert at Canyonlands National Park in 1969.

Abbey024
Abbey024

Edward Abbey, author of Desert Solitaire, shown here in the desert at Canyonlands National Park in 1969.

Abbey016
Abbey016

Edward Abbey, author of Desert Solitaire, shown here in the desert at Canyonlands National Park in 1969.

Abbey021
Abbey021

Edward Abbey, author of Desert Solitaire, shown here in the desert at Canyonlands National Park in 1969.

Abbey013
Abbey013

Edward Abbey, author of Desert Solitaire, shown here in the desert at Canyonlands National Park in 1969.

Abbey015
Abbey015

Edward Abbey, author of Desert Solitaire, shown here in the desert at Canyonlands National Park in 1969.

Abbey020
Abbey020

Edward Abbey, author of Desert Solitaire, shown here in the desert at Canyonlands National Park in 1969.

Abbey022
Abbey022

Edward Abbey, author of Desert Solitaire, shown here in the desert at Canyonlands National Park in 1969.