Title: Aerial Geology: A High-Altitude Tour of North America's Spectacular Volcanoes, Canyons, Glaciers, Lakes, Craters, and Peaks, Author: Mary Caperton Morton
Title: Geological Observations on South America, Author: Charles Darwin
Title: Rough-Hewn Land: A Geologic Journey from California to the Rocky Mountains, Author: Keith Heyer Meldahl
Title: Of Rock and Rivers: Seeking a Sense of Place in the American West, Author: Ellen E. Wohl