North America’s only Permafrost Research tunnel is pretty nondescript from the outside. But a small brown building built into a hillside by the Army Corps of Engineers in the late 1960’s is actually the gateway to nearly 40-thousand years-worth of geology, ice and history. Few Alaskans know it exists, but that might change this weekend when, the Corps hosts the first ever Permafrost Tunnel Open House. KUAC’s Emily Schwing donned a hard hat and joined a tour to find what’s behind that refrigerator door.
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