Officials in California say it appears a landslide caused the oil-pipeline rupture yesterday that spilled as much as 126-thousand gallons of oil into a reservoir north of Los Angeles. The spill happened about a mile from Pyramid Lake. Firefighters shut down several lanes of a major north-south interstate as they rushed to isolate the spill and build a dike to keep more of the oil from pouring into the reservoir. The 13-hundred-acre lake stores water for delivery to Los Angeles and other coastal communities. Crews isolated the spill and officials say there's no threat to the water supply, but they are concerned about possible harm to wildlife.