D.—l

North Island Main Trunk Railway.— Manganui-o-te-ao Viaduct during Erection. Two 122 ft. steel girder spans on concrete abutments, and concrete pier 94ft. high over all. Height, creek to rail-level, 112ft.; length over all, about 290ft. grade, level; steel, 230 tons. (16th June, 1908.)