Ski Resort Cleanup
according, air, air pollution, airless, barry wallerstein, bear, bear mountain, big bear, big bear lake, brad farmer, california, cleanup, diesel, el dorado county air pollution control district, energy, equipment, guns, lake tahoe, pollution, resort, resorts, richard kun, ski, ski resort cleanup southern california skiers, snow, snow summit, snow summit corp, snowmaking, snowmaking guns, south coast air quality management district, southern california