Rocks & Minerals

Texas Rocks and Minerals

Links With the Past in the Plant World

Snails

The Ultimate Rockhounding Handbook

Walks and Talks in the Geological Field

Beach Rambles in Search of Seaside Pebbles and Crystals

The Geologic Story of Glacier National Park

Field Book of Common Rocks and Minerals For identifying the Rocks and Minerals of the United States and interpreting their Origins and Meanings

Mount Rainier, a Record of Exploration

Geology: The Science of the Earth's Crust

Texas Rocks and Minerals: An Amateur's Guide

The Geologic Story of Palo Duro Canyon

British Museum (Natural History) General Guide

Florida Caverns State Park

The Common Rocks and Minerals of Missouri

The Geology of D.A.R. State Park, Mt. Philo State Forest Park, Sand Bar State Park

Gems in the Smithsonian Institution

The Geology of Button Bay State Park

The Geologic Story of Colorado National Monument

Fossil Forests of the Yellowstone National Park