Don Burden and Alice Roberts of Gray and Pape look over images of other culverts along the Wabash and Erie Canal near Terre Haute, Ind., Tuesday, Sept 11, 2007. The two are working, along with INDOT and general contractor Walsh Construction, to save the huge oak timbers that were part of the base of Culvert 151 in Vigo county. (AP Photo/Tribune-Star, Jim Avelis) Jim Avelis