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(6 classifications) (6 resources)

Grand Canyon (Ariz.)

Description and travel. (4)
Geology. (5)
History (5)
Maps (4)
Pictorial works (4)
Societies, etc. (1)

View Resource Controlled Flooding of the Colorado River in the Grand Canyon

The controlled flood of the Colorado River in the Grand Canyon can be monitored in real time on the U.S. Geological Survey's (USGS) Web site. Starting on March 26 and continuing for seven days, the Bureau of Reclamation (BOR) is releasing approximately 45,000 cubic feet of water per second from Glen Canyon Dam. Line graphs of provisional stream flow data at 15 sites in Arizona are being made...
View Resource Grand Canyon National Park: On-Line Visitor Center

Come visit the Grand Canyon National Park home page. What's there is pretty neat. Check out the trail descriptions, maps, and don't miss the photos. Nice work by someone who obviously loves the Park.
View Resource The Grand Canyon

The first site from, called Lost in the Canyon (1), offers an excellent online learning experience. Visitors learn about John Wesley Powell's expedition down the Colorado River, covered in transcripts from the companion television show and a timeline of Powell's life. Other features include an interactive lesson on running rapids and a look at the unique geologic history of the area. Next,...
View Resource Grand Canyon: The Hidden Secrets

Summertime means vacations for many people, and for many of these sojourning to the American Southwest, this may mean a trip to the brilliance that is the Grand Canyon in northern Arizona. The people at National Geographic certainly know this area quite well, as they have sponsored a number of research expeditions there over the past century or so. Designed as a way to publicize the film that the...
View Resource Grand Canyon Glass Skywalk creates excitement and controversy

Skywalk at Grand Canyon making its debut Grand Canyon National Park [pdf] Hualapai Tribe ASU Libraries: Native Americans Online Grand Canyon Skywalk [Macromedia Flash...
View Resource Grand Canyon Monitoring and Research Center

Created in 1995, the Grand Canyon Monitoring and Research Center (GCMRC) was created in order to measure the effects of Glen Canyon Dam operations on natural and physical resources along the Colorado River. As such, the GCMRC's projects also monitor and examine the biological, cultural, and physical resources of the entire Colorado River ecosystem. The materials on their site are divided into five...