9. AFS Caribou

46°58'10"N 67°52'0"W North River Depot (1951-1962) a.k.a. Air Force Station Caribou (1962-1991) a.k.a. site "Easy" was former Loring airbase nuclear weapon storage area and located at grid 46°58'10"N 67°52'0"W
It was constructed in 1947 and one of the largest USAF nuc. storages during its existence; it was at the closest point in the continental US to Europe, so providing strategic value during the Cold War era.
In 1962 integrated in Loring airbase remaining ops until base closure in 1991; currently a wildlife refuge.

Also see USAF Loring

Caribou AFS http://upload.wikimedia.org/wikipedia/commons/3/32/LORING_AFB_WSA_67.jpg
WSA http://upload.wikimedia.org/wikipedia/commons/f/ff/LORING_AFB_WSA_20.jpg

Search for 9. AFS Caribou