[The Lens] Volunteers use airborne patrols, satellite photos to spot oil spills along Louisiana coast

By Bob Marshall, Staff Writer at The Lens - Original post at thelensnola.org Jonathan Henderson was shouting to be heard over the engine noise in the small plane as it circled above an oil rig just off the Louisiana coast. A ribbon of colored water extended from the rig for about 100 yards, and Henderson had asked the pilot for a closer look. “Right there, that’s sheen,” Henderson yelled. “In fact, rainbow sheen tells…