Simply begin typing or use the editing tools above to add to
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modifications will be sent to our editors for review. ...may
result in deflation hollows or blowouts. These may range from 3
m (10 feet) in diameter and less than a metre deep to several
kilometres in diameter and several hundred metres in depth. The
Big Hollow in Wyoming was formed by deflation and is 14.5 km (9
miles) long and 50 m (165 feet) deep. If an area is eroded down
to the water table, further deflation is prevented unless the
water... What made you want to look up "Big Hollow"? Please
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