Great Bicycle Experiment, The: The Army's Historic Black Bicycle Corps, 1896-97

New Mexico Rockhounding: A Guide to Minerals, Gemstones, and Fossils

Ohio Rocks: A Guide to Geologic Sites in the Buckeye State

Colorado Rockhounding: A Guide to Minerals, Gemstones, and Fossils (Rock Collecting)

Deadfall: Generations of Logging in the Pacific Northwest