Geology

Geology and Inhabitants of the Ancient World

Industrial Minerals and Metals of Illinois

Rocks and Their Origins

The Principles of Stratigraphical Geology

Facts and fancies in modern science

Australasian Fossils: A Students' Manual of Palaeontology

Tales of Lava-Formed Islands

Tales of the Most Treacherous Mountain Ranges

Tales of the Hanging Valleys

Tales of Hot Water Springs

Illogical Geology, the Weakest Point in the Evolution Theory

The Chain of Life in Geological Time

The Preparation of Illustrations for Reports of the United States Geological Survey

Some Salient Points in the Science of the Earth

Civilizations and the Unfolding Story of Earth

The Long Story of Earth and People