Grand Canyon

Park History/Geology

• First evidence of people 10,500 years ago
• Was formed millions of years ago from the colorado river carving into it
• Who lives their. Well many native Americans have lived there for the past thousands of years.
• In the 1870ś the place was mined because of zinc, and copper
• The grand canyon was established on February 26, 1919
• García Lpeóz de Cárdenas was the first to find the grand canyon from Europe
• Benjamin Harris protected the grand canyon in 1893
• The grand canyon was found in 1540
• Ruins have been found from 12,000 years ago

Resources - http://www.arizona-leisure.com/grand-canyon-history.html, http://www.history.com/topics/grand-canyon, https://en.wikipedia.org/wiki/History_of_the_Grand_Canyon_area

• The truth is that no one knows for sure though there are some pretty good guesses. The chances are that a number of processes combined to create the views that you see in today's Grand Canyon.
• Over time, water carved out the canyon. Because the sun bakes and hardens the soil, it doesn’t absorb water when it rains. The result is flash floods...the floods more like concrete than water because it picks up soil and rock as it moves down the canyon.
• The Colorado River used to flow through the canyon at a rate of 100,000 cubic feet per second but now that the glen canyon dam was built the flow rate is now 8,000 to 10,000 cubic feet per second. Erosion is still occurring but at a much slower rate due to the flow rate decrease.
• Each layer of the canyon tells a whole new story about the past, the deeper into the canyon that you go the older and more warn the rock is. At the very top of the canyon you are able to find fossils of ocean creatures.
• The Grand Canyon is in the northwest corner of Arizona, close to the borders of Utah and Nevada. The Colorado River, which flows through the canyon, flows through seven states, but the Grand Canyon National Park is within the Arizona state borders.
• The Grand Canyon is divided into the North Rim and the South Rim. The South Rim is open all year and receives 90 percent of the park’s visitors. The South Rim has an airport and rail service and is also close to many transportation hubs and the Arizona cities of William and Flagstaff, as well as Las Vegas, Nev.
• The North Rim is located closer to Utah and has stunning views, but is not nearly as accessible as the South Rim. While only 10 miles (16 kilometers) separate the two rims if you could walk across the canyon, it is only reachable by hikers who tackle the 21 miles (33.8) of the North and South Kaibab Trails, or those who travel 220 miles (354 kilometers) by vehicle. The North Rim is often closed during inclement weather as the roads quickly become dangerous.

Resources - http://www.bobspixels.com/kaibab.org/geology/gc_geol.htm, https://en.wikipedia.org/wiki/History_of_the_Grand_Canyon_area, https://www.history.com/topics/grand-canyon

Current Event

Thousands of helicopters fly over the park everyday. One day the helicopter crashed causing erosion and a problem for the park.

There were many budget cuts causing the park to reduce quality of park.