1873-1885 John Young 1890-1910 Heathfield & Cardowan Fireclay Co. 1915-1938 Heathfield & Cardowan Fireclay Co. Ltd
External Links
Publications (1)
- (1920); BGS - Mineral Resources of GB (c1920s) Vol VI - Refactory Materials. Ganister, Silica Sand, Dolomite; 258 pages