DULUTH, Minn. - Senior Chief Petty Officer Justin Olson, a boatswain's mate and officer-in-charge of Aids to Navigation Team Duluth, drives a 20-foot small boat, and Chief Warrant Officer Todd Dudley, a marine inspector at Marine Safety Unit Duluth documents findings with a digital camera during a patrol of the St. Louis River, Monday, June 25, 2012. The team was looking for debris, buoys that were moved off of their stations or any major hazards to navigation following the flooding in the Duluth area. U.S. Coast Guard photo by Petty Officer 1st Class Matthew Schofield.