Reuters: The U.S. Coast Guard was investigating a large, patchy oil sheen that appeared off the Southern California coast west of Santa Barbara on Wednesday, not far from the site of a petroleum pipeline spill in May, agency officials said.
The slick, which stretched about 2 miles (3 km) along the coast about 1,000 yards (meters) from shore, was spotted off Goleta State Beach, but the origin of the sheen was unknown, said Coast Guard spokeswoman Petty Officer Sondra-Kay Kneen.
A Coast Guard helicopter...