Randy Pench/ rpench@sacbee.com

Rocks line a ridge as a snowboarder makes his way down a run below Squaw Peak near the Siberia chairlift at Squaw Valley Resort on Monday, December 30, 2013 in Olympic Valley, Calif. Lack of snow has left many resorts with runs full of obstacles, like rocks, grass and small trees for skiers and boarders to navigate on their way down the mountain.

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