OIL SIFTERS Crews aboard beach clean-up vehicles sift oil on the southeast Louisiana shoreline in Houma, La., June 10, 2010. Thousands of crews, including those from the U.S. military, are spread throughout the Gulf of Mexico area to battle the BP Deepwater Horizon oil spill. SHARE: Download: Full Size (0.06 MB) Credit: VIRIN: 635364-U-YBB74-743.jpg Photo Gallery