For many across the country, the National Park system contains some of the most precious cultural and natural resources in the United States. At any given time, the National Park Service is working on dozens of long-term plans for the development and conservation of various properties under their oversight, including national monuments and national historic sites. This website provides access to...

The US Geological Survey Geology in the Parks Web site is a cooperative project of the USGS Western Earth Surface Processes Team and the National Park Service. This extensive site covers geologic maps, plate tectonics, rocks and minerals, geologic time, US geologic provinces, park geology of the Mojave, Sunset Crater, Lake Mead, North Cascades, Death Valley, Yosemite National Park, and much more....