Correction for the size of Grand Canyon National Park
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How big is 983.530 thousands of circular mills?
It's about 0.0000000000001 times as big as Grand Canyon National Park
The size of Grand Canyon National Park is about 9,730,645,560,000,000.0000000000000000000000000 thousands of circular mills.
(Coconino County and Mohave Counties, Arizona, near Fredonia and Grand Canyon, Arizona)
Containing the 446 km (277 mi) Grand Canyon gorge, Grand Canyon National Park covers 9,730,643,820,000,000.0000000000000000000000000 thousands of circular mills.