Architectural plan of concrete and steel details Atherton silos. Comprises: Section through tunnel, Detail of R.C. beam, Detail of beam and silo top, detail of ties to headhouse, Plan of elevator tower, Section through silos, Detail of bin bottom, Detail of bin intersection and Section through tunnel and hopper. Scales 1/8", 1/4" and 1/2" = 1'. Signed: "V.M. Brown. A.R.A.I.A. Architect. Atherton. The plans for the extension were approved by the Public Works Department. John Doyle of Cairns was accepted for the construction of the six new silos at Atherton, which were completed in under seven days.