Dorman, Long and Company

The Middlesbrough steelmaker that absorbed Bolckow, Vaughan in 1929 and took on its Cleveland ironstone mines with it. Dorman Long is best remembered for what it built with the steel: the Sydney Harbour Bridge, completed in 1932, and the Tyne Bridge before it.

Mines operated

Mine	Region	Years
Eston Ironstone Mines	North Yorkshire	1929–1949

Record created: 26 August 2026 · Last researched: 26 August 2026