 Treehugger | Louisiana Oil Spill Highlights Continued Safety Concerns - Apr 09 Beyond Chron The oil has so far spread to an area of about 160 square miles, covering wetlands of the Delta National Wildlife Refuge, and the Gulf of Mexico. ... Crews still cleaning oil spill at wildlife refuge Chevron spills 18000 gallons of oil in National Wildlife Refuge Cleanup Continues After Chevron Pipeline Spills Oil In Louisiana |
