Cornwall solidifies its status as the copper and tin mining capital of the world, driven by deep-shaft mining and the refinement of Richard Trevithick's high-pressure steam pumping engines. Thousands of miners labor in precarious conditions, sometimes digging miles out beneath the Atlantic seabed at mines like Botallack. This resource boom drives incredible engineering innovations and creates a stark, soot-stained landscape dominated by iconic stone engine houses. The boom builds fortunes for Cornish industrial baronies but exposes workers to rampant lung diseases and frequent tunnel collapses.

The dramatic landscape of Cornish mining deeply influences local and national British poetry. Cornish poet John Harris, who worked as a miner from age nine, publishes critically acclaimed volumes of verse describing the subterranean darkness, the roar of the engines, and the deep spirituality of the mining communities. His poetry offers a rare, authentic working-class perspective on the industrial landscape, contrasting the bleak, underground toil with the rugged natural beauty of the Cornish coast.