VENICE, La. -- Petty Officer 2nd Class Sean Reif, a division supervisor for the Deepwater Horizon Response's Plaquemines Branch, marks the position of sorbent boom that washed ashore during storms using a G.P.S. phone Aug. 14, 2010. The severe weather caused a paused in cleanup efforts, but work resumed when it was safe to continue. U.S. Coast Guard photo by Petty Officer 3rd Class Henry G. Dunphy.