|Address||81 Hoover Dam Access Rd, Boulder City, NV 89005|
|First Question||How tall is the Hoover Dam?|
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There are currently 167s or s in the game:
- 24 in Canada
- 108 in the United States
- 21 in the United Kingdom
- 4 in El Salvador
- 10 in the Philippines
Go to Yellow Vault Location for an overview of all discovered s and s.