Question: Which Central Appalachian coal producer was responsible for a spill that dumped 306 million gallons of slurry into tributaries of the Tug Fork River? 
Sentence (from "Morris J. Berman oil spill"): The spill affected the tourism and fishing industries as well as wildlife along the shores of Puerto Rico, Isla de Culebra, and Isla de Vieques.
Relevant evidence: No