1. Rainbow Bridge National Monument By: Erin and Miranda Picture taken by dean constantine

2. Formation http://www.destination360. com/north- america/us/utah/images/s/u tah-rainbow-bridge.jpg Rainbow Bridge was formed by weathering and erosion about 60 million years ago. It was formed also formed by Bridge Creek. Formation

3. http://www.destinatio n360.com/north- america/us/utah/imag es/s/utah-rainbow- bridge.jpg The Colorado Plateau began a gradual uplift. As the Bridge Creek entranced itself into the landscape, scene was set for Rainbow Bridge to be formed. The creek widened its path when it hit the Kayenta sandstone because it was harder. It eventually chipped away pieces of rock to start the formation

4. http://tafoni.com/Other- Factors_files/Kayenta_Sandstone_Case_Hard ening.jpg Kayenta sandstone Rainbow Bridge is composed of Kayenta sandstone at its base. Kayenta sandstone is reddish-brown. It was deposited and compacted hundreds of millions of years ago.

5. http://web.ncf.ca/jim/sand/overview/cross-strata.jpg Navajo Sandstone Rainbow Bridge is composed of Navajo Sandstone above its base. The Navajo Sandstone was formed as wave after wave of sand was deposited.

6. Picture taken by Dean Constantine Facts Rainbow Bridge is located 50 boat miles northeast of the Wahweap Marina. The average summer temperature is 100 degrees F.

7. Douglas Cummings http://gdl.cdlr.strath.ac.uk/eyrwho/eyrwho133.jpg Douglas was born October 1, 1866. He studied in Berlin. He visited America to check out the hospitals. He discovered Rainbow bridge in 1909.

8. The Navajo Indians believe rainbow bridge is sacred. They believe that rainbows represent the guardians of the universe. It is sacred by the Navajo culture as a symbol of deities responsible for creating clouds, rainbows, and rain—the essence of the life in the desert. Religion http://www.meadowthorpe.fcps.net/projects/native_americans/images/j0135697.gif

9. Picture taken by Dean Constantine Size Rainbow Bridge is 290 feet tall and has a span of 275 feet. At the top it is 42 feet thick and 33 feet wide. It covers 160 acres of land. It is the worlds largest natural bridge.

10. http://www.arizona-leisure.com/gfx/maps/rainbow_bridge_park97.pdf http://upload.wikimedia.org/wikipedia/commons/thumb/d/d3/R ainbow_bridge_231MP.jpg/1800px-Rainbow_bridge_231MP.jpg

11. References http://geography.howstuffworks.com/united- states/rainbow-bridge-national-monument.htm http://geography.howstuffworks.com/united- states/rainbow-bridge-national-monument.htm http://www.utah.com/nationalsites/rainbow_bridge. htm http://www.utah.com/nationalsites/rainbow_bridge. htm http://www.desertusa.com/gc/rainbow/rainbow.htm l http://www.desertusa.com/gc/rainbow/rainbow.htm l