Battle Of Hurtgen Forest (West Wall)

Death Valley Rocks!: Amazing Geologic Sites in America's Hottest Park (Geology Rocks!)

Roadside Geology of Connecticut and Rhode Island (Roadside Geology Series)

Roadside Geology of Missouri

Ponderosa: People, Fire, and the West's Most Iconic Tree

Roadside Geology of Georgia

Hidden Life of the Desert

Geology Underfoot in Yellowstone Country

Geology Underfoot in Southern Utah