100605 9375109 viewsWOA type iron ore waggon WOA 31308 is one of a batch of thirty nine built by WAGR Midland Workshops between 1970 and 1971 with fleet number for Koolyanobbing iron ore operations, with a 75 ton and 1018 ft³ capacity, Binduli Triangle, loaded with fines, 5th June 2010.