As ancient Lake Lahontan receded, it left hundreds of dry lakebeds in its footprint. Baked in the sun and deprived of moisture for a half-dozen millennia, dust and sand migrated with the prevailing winds. When it finally settled, vast sand dunes were created. On day one, our group ventured into the shifting sands of Sand Mountain State OHV Area for a little sand play. The keys to success when driving in soft sand are floatation, horsepower, and not getting sideways on the precious inclines.