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Crater Rings

Crater Rings
Crater Rings

Crater Rings are two adjacent and symmetrical pit craters that are among the few examples of this type of crater in the continental United States. The pit craters, which are volcanic conduits in which the lava column rises and falls, were formed by explosions followed by collapse.

Location: Elmore County, ID

Year designated: 1980

Acres: 1,262

Ownership: Federal


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Last Updated: June 28, 2012