Earth Sciences

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

The Bermuda Triangle Parado

Alaska

Essay on the Theory of the Earth

The Elements of Geology

Inside Illinois: Mineral Resources

Thunder and Lightning

The Chain of Life in Geological Time

The aneroid barometer: its construction and use

Illogical Geology, the Weakest Point in the Evolution Theory

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

The Chemistry, Properties and Tests of Precious Stones

The Geological History of Fossil Butte National Monument and Fossil Basin

Pressure, Resistance, and Stability of Earth

The Atomic Fingerprint: Neutron Activation Analysis

An Introduction to the Study of Meteorites

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

Volcanoes