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Hawaii National Natural Landmarks


Diamond Head (Honolulu) - 6/21/1987
Part of the system of cones, vents, and their associated eruption flows that are collectively known to geologists as the Honolulu Volcanic Series
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Iao Valley - 10/14/1989
A lush, stream-cut valley; the Iao Needle is a vegetation-covered lava remnant rising 1,200 feet from the valley floor
NHL Image