Correction for the size of Grand Canyon National Park
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How big is 1.380 circular mils?
It's about 0.0000000000000000002 times as big as Grand Canyon National Park
The size of Grand Canyon National Park is about 9,730,645,560,000,000,000.0000000000000000000000000000 circular mils.
(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 9,730,643,820,000,000,000.0000000000000000000000000000 circular mils.