Edwin D. (Edwin Dinwiddie) McKee
Ancient Landscapes of the Grand Canyon Region The Geology of Grand Canyon, Zion, Bryce, Petrified Forest & Painted Desert
Edwin D. (Edwin Dinwiddie) McKee · 2015
ספרייה ציבורית, Project Gutenberg. בלי הרשמה.
Geology -- Arizona -- Grand Canyon National ParkGeology -- Utah -- Bryce Canyon National ParkGeology -- Utah -- Zion National Park