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Leonard Clapham

A Pontllanfraith coal operator who worked the New Cincoed level near Oakdale under a National Coal Board licence from 1950, alone until 1962 and then with two partners until its abandonment in 1963.

Mines operated

MineRegionYears
Cincoed Colliery Caerphilly 1950–1963

Record created: 16 October 2026 · Last researched: 16 October 2026

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