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Hoover Dam (formerly known as the Boulder Dam) is a concrete arch-gravity dam in the Black...
For other uses, see Lights Out. "SFSG ground troops secure the Hoover Dam interior, preventing...
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|current||00:05, August 27, 2012||481 × 323 (85 KB)||Admiral Nitsua Xepher "Lighting Dust" of Equestria|