Crevasse Valley Glacier (76°46′S 145°30′W) is a broad glacier about 30 miles (50 km) long, flowing west-southwest between the Chester Mountains and the Saunders Mountain to the Sulzberger Ice Shelf in Marie Byrd Land, Antarctica. It was discovered by a sledging party of the Byrd Antarctic Expedition, which visited this area in November–December 1934, and so named because of its extensively crevassed surface.
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Crevasse Valley Glacier Wikipedia(Text) CC BY-SA