Rocks & Minerals

Florida Caverns State 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

Pleistocene Bats from San Josecito Cave, Nuevo Leon, Mexico

The Glaciers of the Alps

Geology: The Science of the Earth's Crust

Notes on Collecting and Preserving Natural-History Objects

Beach Rambles in Search of Seaside Pebbles and Crystals

Australasian Fossils: A Students' Manual of Palaeontology

The Geologic Story of Glacier National Park

Ancient Landscapes of the Grand Canyon Region

The Book of the Pearl

The Geology of Mt. Mansfield State Forest

Texas Gemstones

Earth Features and Their Meaning An Introduction to Geology for the Student and the General Reader

Texas Rocks and Minerals: An Amateur's Guide

Fossil Forests of the Yellowstone National Park

The Geologic Story of Palo Duro Canyon

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

British Museum (Natural History) General Guide