Correction for the size of The Grand Canyon
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How big is 437.840 cubic kilometers?
It's about one-tenth as big as The Grand Canyon
The size of The Grand Canyon is about 4,170 cubic kilometers.
(Coconino County and Mohave Counties, Arizona, near Fredonia and Grand Canyon, Arizona)
A dynamic and continuously changing landscape, the Grand Canyon has an approximate volume of 4,170 cubic kilometers. The strata of the rock visible in the Canyon's walls display nearly 2 billion years of geological history.