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Bilby Crater

Bilby's subsidence crater resulted from a 249-kiloton atomic test, (equivalent to over 200,000 tons of TNT) which occurred on September 13, 1963.

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Gabbs Tower

The underground Gabbs test was planned for early 1993 at the Nevada Test Site, but it was cancelled when a moratorium on testing came into effect in October 1992.

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Monastery Observation Post

From the Monastery Observation Post the subsidence craters at the northern end of Yucca Flats are barely visible. Pan right, and the sands of Frenchman Flats may be seen in the far distance.

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Frenchman Flat

On May 8, 1953, a B-50 bomber dropped a 27-kiloton nuclear device from 19,000 feet. Detonating at 2,323 feet, the bomb blew sections of the trestle from its foundation and bent the girders.

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Sedan Crater

A 104 kiloton thermonuclear explosion on July 6, 1962 created Sedan Crater. At 1,214 ft in diameter and 330 ft deep, Sedan is the largest nuclear-caused crater in the United States.