A former calcite mine opened in 1914, originally linked to lead mining, later became an important source of commercially valuable calcite and fluorspar.

The River Blakewater runs beneath Blackburn, where it was culverted during the Industrial Revolution to control flooding and support the town’s growth & new infrastructure.

This former 18th century lead mine reflects Derbyshire’s historic lead mining industry, with surviving underground workings showing traditional mining, transport and drainage techniques.

Gwynfynydd Gold Mine was one of Wales most productive gold mines, operating from 1887 to 1998 and producing over 45,000 ounces of Welsh gold.

Supercharger B is a 700 metre long Edwardian culvert beneath Manchester, built around 1914 to carry the Gore Brook.

Whitchurch Hospital was a pioneering psychiatric hospital in Wales that operated from 1908 to 2016.

Sidedraft is a century old Gore Brook culvert within Manchester’s underground drainage network.

A large stormwater culvert in Hyde, passing below the motorway and canal.

200 m brick culvert carrying Gore Brook under south Manchester.