U.s. Geological Survey: Repeat Photography Project

Visit the U.S. Geological Survey's website for a wide variety of information on water. Content includes data on water quality, water use, acid rain, among others; publications; information on water resource programs; maps; information on...

The U.S. Geological Survey offers information for teachers and students interested on Earth Science research. Contains references to general information as well as current research and events.

"Explore things on, in, around and about the earth," with this web site dedicated to K-12 education from the United States Geological Survey. Homework help, science topics and fun learning games for students in Kindergarten through High...

This report from the U.S. Geological Survey uses illustrations to show how water moves through an aquifier and also how water is obtained from the ground.

Learn more about the hot spot theory developed in 1963 by the Canadian geophysicist J. Tuzo Wilson. Diagrams help you visualize the way hot spots formed geologic structures such as the Hawaiian Islands.

Comprehensive information on earthquakes. Includes photos from famous earthquakes, ask-an-expert feature, earthquake science, history of major earthquakes, a pictorial ABC, adults' guides for dealing with children's emotions, animations...

Essential guide to geology of the National Parks focuses on minerals and the different types of rocks. Includes a visual glossary.

Useful publication from the U.S. Geological Survey explains through text, images, and diagrams what groundwater is, where it is stored, how it occurs, and its quality.

The U.S. Geological Survey offers a complete listing of PDF files and references on chromium, stressing the mineralogical and geological aspects of this element.

The U.S. Geological Survey offers a nice listing of available documents on cadmium and cadmium mining.