US Geological Survey
U.s. Geological Survey: Geology of the National Parks
Access, from one index page, to three-dimensional photographs of all U.S. national parks. Standard photographic images and tours and selected geological resources (e.g., stratigraphic maps) for each park can also be linked to from this...
US Geological Survey
U.s. Geological Survey: Rocks and Minerals
Essential guide to geology of the National Parks focuses on minerals and the different types of rocks. Includes a visual glossary.
Curated OER
National Park Service: Grand Canyon Geology
Extensive information about the geology of the Grand Canyon. Looks at some principles of geology evident there, forces that have shaped its geological features, how its valleys and canyons were formed, the characteristics of the Colorado...
Curated OER
National Park Service: Tour of Park Geology: River Systems
Learn about the rivers that are found in the National Parks on this site.
US Geological Survey
U.s. Geological Survey: Haleakala Crater and the East Maui Volcano
Information from USGS about the Haleakala Crater and the East Maui volcano, including the volcano's eruptive history, maps of the crater, and geologic data sets.
US Geological Survey
U.s. Geological Survey: Repeat Photography Project
The Repeat Photography Project pairs historic images with contemporary photos thus documenting glacial decline through photography while communicating the effects of global warming.