Geology

Lesser Known Paths

Earth's Changing Climate

Tiny Planet Patterns

Soil Erosion Crisis

Ocean Depth Realms

Climate and Time in Their Geological Relations

Urban Heat Islands

Life in China

Essay on the Theory of the Earth

The Geologic Setting of the John Day Country: Grant County, Oregon

Preliminary Report on Gowganda Mining Division District of Nipissing Ontario

Deep Cave Missions

Arctic Ice Treks

The Geological History of Fossil Butte National Monument and Fossil Basin

The Atomic Fingerprint: Neutron Activation Analysis

The Romance of Modern Geology

My experiments with volcanoes

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

Volcanoes

Pressure, Resistance, and Stability of Earth