William Mulcaster and Co.
Colliery proprietors of Maryport who reopened and enlarged two old pits at St Helen's near Flimby in 1861 and worked them into the 1870s.
Mines operated
| Mine | Region | Years |
|---|---|---|
| St Helen's Colliery, Siddick | Cumbria | 1861–1876 |
Record created: 30 September 2026 · Last researched: 30 September 2026