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It took millions of years of erosion from the colorado river
Exactly how long does it take natural gas to form? Exactly how long does it take natural gas to form?
5 years to train for grand valley
4 year
10 hours
24 hours
The Grand Canyon started to form about 18 million years ago.
1 second it takes to go to the grand canyon
About 17 million years.
1minute
About a day and a half.
About 17 milllion years.