Watch: Wisconsin Cavers Install New Heavy Duty Cave Door

Watch as cavers move a brand new, nearly half-inch (1.2 centimeter) thick, steel door into place on the Spring Cave at Wisconsin’s Cherney Maribel Caves County Park.

The door, weighing in at over 300 pounds (136 kilograms), was built by a technical school welding class at the request of Gary K. Soule of the Wisconsin Speleological Society after the previous door was pried open by vandals.

[via Gary K. Soule]

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