Geology

Glossary of Geological and Other Scientific Terms Used in the Principles of Geology

A Monograph of the Trilobites of North America: with Coloured Models of the Species

Earthquakes and Other Earth Movements

The Eruption of Vesuvius in 1872

Geology and Inhabitants of the Ancient World

Industrial Minerals and Metals of Illinois

Fossil Ice Crystals: An Instance of the Practical Value of “Pure Science”

Rocks and Their Origins

Outlines of the Earth's History: A Popular Study in Physiography

Essay on the Theory of the Earth

The Elements of Geology

Inside Illinois: Mineral Resources

The Chain of Life in Geological Time

Illogical Geology, the Weakest Point in the Evolution Theory

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

The Geological History of Fossil Butte National Monument and Fossil Basin

Pressure, Resistance, and Stability of Earth

The Atomic Fingerprint: Neutron Activation Analysis

Thoughts on a Pebble, or, A First Lesson in Geology

Volcanoes