Old hydropower plant Rockley Furnace Loading spoil Middleton Top engine house Lower Blue Lake Dam Lower Blue Lake Dam Lower Blue Lake Dam Hollin Busk wheel Air shaft Minas de Rio Tinto DSC 0609 Minas de Rio Tinto DSC 0597 Minas de Rio Tinto DSC 0596 Minas de Rio Tinto DSC 0587 Grangemouth Oil Refinery Swan Lane Mills Glen Canyon Dam construction 1961 Glen Canyon Dam construction 1961 In the pit yard Hesketh shaft Defence of the realm Vieux silo 0039 Auto-Masters Ltd BM FC - leaving gates Turbine & generator Port Pirie Telpher man Charlestown Harbour Vine Mill Booth Hollings Mill Scaitcliffe Colliery, Accrington Coking past Loading in the pit Reddan's Quay limekiln Reddan's Quay limekiln Glue works ruined_beautiful steelworks_1 Wheatly Tiles Wallaroo grain silos Pleasley Colliery winder C. Theodor Wagner, Elektrotechnische Fabrik Lough Neagh dredgers