The slab of weathered crude and water was more than 100 feet long . Crews using an excavator dug the largely submerged tar mat out of the beach in chunks over the last few weeks , Murphy said . Most of its 40,000-plus pounds was oil and water , a Coast Guard official says . California is the last state where the Horizon cleanup occurred .
The slab of weathered crude and water was more than 100 feet long . Most of its 40,000-plus pounds was oil and water , a Coast Guard official says . California is the last state where the Horizon cleanup occurred .