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The Grand Canyon - PowerPoint PPT Presentation


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The Grand Canyon Description 277 miles in length Covers 1.2 million acres (larger than state of Rhode Island) Width varies from half a mile to 18 miles Highest elevation point: 9165 feet above sea level Maximum canyon depth from rim: 6000 ft.

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description
Description
  • 277 miles in length
  • Covers 1.2 million acres (larger than state of Rhode Island)
  • Width varies from half a mile to 18 miles
  • Highest elevation point: 9165 feet above sea level
  • Maximum canyon depth from rim: 6000 ft.
  • Hike from Canyon’s South Rim to the North Rim is 21 miles
  • Colorado River is at Canyon floor
history
History
  • Piute Indians believe Canyon was shaped by the god Tavwoats
  • First European visitor was Garcia Lopez de Cardenas in 1540
  • First American to survey region was Lt. Joseph Christmas Ives
  • John Wesley Powell led first river expedition in 1869; sparked national interest in the Canyon.
  • Established as national park in 1919
geology and weather
Geology and Weather
  • Some rocks are 2 billion years old
  • Colorado River began to form Canyon about 6 million years ago
  • Major rocks are limestone, sandstone, and some igneous from extinct volcanoes
  • Semi-arid climate: avg. rainfall 14 in/yr; avg. snowfall 65 in/yr
  • Warmest month is July: avg. temperature is 69.5 degrees
visitor activities
Visitor Activities
  • Guided and self-guided tours
  • Picnicking, camping, backcountry hiking, horseback riding, and biking
  • White-water rafting, kayaking, and fishing
  • Bus tours, mule trips, and river tours
lodging
Lodging
  • South Rim: Red Feather Lodge, 602-638-2414, and Canyon Squire Motel, 602-638-2681
  • North Rim: Kaibab Lodge, 602-638-2389; Jacob Lake Lodge, 602-643-7232; and Moqui Lodge, 602-638-2424
for information
For Information
  • Write Superintendent, Grand Canyon National Park, P.O. Box 129, Grand Canyon, AZ 86023
  • Phone 602-638-7888 for recorded info about weather, road conditions, and interpretive activities