Keywords: arctic ocean sea ice seaice uscg usgs healy st-laurent stlaurent cutter coast guard coastguard water landscape shore seaside outdoor coast sky The sun dips below the horizon Sept. 1, 2009. Photo Credit: Patrick Kelley, U.S. Coast Guard The sun dips below the horizon Sept. 1, 2009. Photo Credit: Patrick Kelley, U.S. Coast Guard |