Explore the Grand Canyon Wonders

Who declared, "Leave it as it is," after visiting the Grand Canyon in 1903?

• John Wesley Powell

• Teddy Roosevelt

• Spanish explorers

• Native Americans

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How long is the Grand Canyon from east to west?

• 100 miles

• 277 miles

• 500 miles

• 50 miles

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What is the widest point of the Grand Canyon?

• 5 miles

• 10 miles

• 18 miles

• 25 miles

Approximately how deep is the Grand Canyon from the rim to the Colorado River?

• 1 mile

• 2 miles

• 0.5 miles

• 3 miles

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How many years of geology can be observed in the Grand Canyon?

• 500 million years

• 1.8 billion years

• 2.5 billion years

• 1 billion years

Who were the first known people to live in and around the Grand Canyon?

• Spanish explorers

• Native Americans

• European settlers

• John Wesley Powell's team

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In which century did Spanish explorers first see the Grand Canyon?

• 15th century

• 16th century

• 17th century

• 18th century

Approximately how many people visit the Grand Canyon National Park each year?

• 1 million

• 3 million

• 6 million

• 10 million