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The steep downwind face of a dune on which sand is deposited in cross-beds at the angle of repose.
The steep, downwind SLOPE of a DUNE; formed from loose, cascading SAND that generally keeps the SLOPE at the ANGLE OF REPOSE (about 34 degrees).
The steep leeward slope of a dune.
See lee slope.
The lee side of a dune, which sand slides down.
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