Geology

On Shaky Ground

Facts and fancies in modern science

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

Geology and Inhabitants of the Ancient World

Industrial Minerals and Metals of Illinois

Rocks and Their Origins

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

The Romance of Modern Geology

My experiments with volcanoes

The Earth's Beginning

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