Geology

Global Climate Shifts

Ice Cathedral Wonders

Aurora Zone Secrets

The Great Rivers

Lost City Legends

Volcano Sky Sparks

Undersea Gas Vents

Arctic Climate Change

Rocks and Their Origins

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

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

Facts and fancies in modern science

Soil Erosion

Water Systems

Dust Devils

Hidden Rivers

Industrial Minerals and Metals of Illinois

Geology and Inhabitants of the Ancient World

Theoretical method to increase the speed of continuous mapping in a three-dimensional laser scanning system using servomotors control

Some Salient Points in the Science of the Earth