Rice Valley Wilderness
The 41,777-acre wilderness includes portions of the Big Maria Mountains, along with a stretch of sand dunes that is part of one of the state's largest dune systems. Congress designated the area as part of the 1994 California Desert Protection Act.
- U.S. Geological Survey Geographic Names Information System: Rice Valley Wilderness
- Sand Dune locations, north of Big Maria Mountains & southwest of the Riverside Mountains, southeast Rice Valley, a wind stricture point: (BLM map for Riverside Mountains Wilderness, northwest Big Maria's map), 
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