He developed extensive interests in coal mines in the Swansea area of Wales, as well as mining, smelting and refining copper and lead.
In 1750 the principal mineral properties were acquired by Chauncy Townsend and they remained in his family until his great-grandson, Charles Henry Smith, relinquished them in 1872.
Devin Townsend | Port Townsend, Washington | Townsend Harris | George Townsend Andrews | Sylvia Townsend Warner | Port Townsend | Townsend | George Fyler Townsend | Robert Townsend (actor) | Robert Townsend | Chauncy Hare Townshend | T.B. Townsend | Stuart Townsend | Robert Townsend Farquhar | Randolph Townsend | Peter Townsend | Kathleen Kennedy Townsend | John Townsend (author) | John Rowe Townsend | James Townsend (New York) | James Townsend | Frederick Townsend Martin | Ernest Townsend | Chauncy Harris | William Kneeland Townsend | Wayne Townsend | Townsend's ground squirrel | Townsend's Big-eared Bat | Townsend Saunders | Townsend Hoopes |