1880 Dunkenhalgh Colliery Co. Ltd 1885-1901 P.W. Pickup 1908-1941 P.W. Pickup Ltd 1955-1970 Nati
External Links
Publications (3)
- (1920); BGS - Mineral Resources of GB (c1920s) Vol VI - Refactory Materials. Ganister, Silica Sand, Dolomite; 258 pages
- (1920); BGS - Mineral Resources of GB (c1920s) Vols XIV, XV, XVI, XVII, XVIII - Fireclay; Arsenic & Antimony Ores; Refactory Materials, Lead & Zinc of Scotland, Rock-Salt and Brine (5 books); 777 pages
- Nadin, Jack; NMRS (1999); British Mining 64 - Coal Mines around Accrington & Blackburn; ISBN 0901450 51 0; pp.46,88,93-94,96,109-115.


