Earth: An Introduction to Physical Geology (11th Edition): Tarbuck, Edward J., Lutgens, Frederick K., Tasa, Dennis G.: 9780321814067: Amazon.com: Books
The Geologic Systems The Quaternary Volume 1: Rankama, Kalervo: Amazon.com: Books
Geodesy; The California-Washington Arc of Primary Triangulation: U. S. Coast and Geodetic Survey: 9781289877910: Amazon.com: Books
Aerial Geology: A High-Altitude Tour of North America's Spectacular Volcanoes, Canyons, Glaciers, Lakes, Craters, and Peaks: Morton, Mary Caperton: 9781604697629: Amazon.com: Books