HEAN CASTLE BRICK WORKS
- OS 25” 1887
- P Sau Page 12, redrawn map of Brick Works and Foundry.
- P IS Page 91/92 Description of works and map of site. Founded c1845 by Thomas Stokes; 1859, lessee William Walters; 1860 Tenby Silica Co.; 1864, Walters, P Cruikshank and W W Hayes operate business as Hean Castle Brick Co.; 1867 known as Woolston FireBrick Works. Bricks originally marked Stokes, Saundersfoot, Pembs; by 1864 were marked Hean Castle, Tenby Pattern. Works closed around 1887.
HIRWAUN BRICK WORKS
- OS 6” 1905
- K 1906 Allen [N B] & Co LTD. Silica Brick Works, Hirwaun.
- Cope 1931/2. Allen N.B. & Co. Silica Brick Works, Hirwaun.
- DirQua 48 N B Allen & Co, Penderyn (Torfole Silica Sand) and Silica Brick Works, Hirwaun.