1875 Lackenby Iron Co. 1880 Joseph Torbock 1890-1895 Torbock & Co. 1900-1910 Owners of West Hunw
Publications (1)
- (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
Rough Lea - 505m- Hunwick - 603m
- Newfield, John George Pit - 893m
- George Pit - 896m
Breckon Hill - 941m- Newfield (a) - 990m
- Newfield, Barnet Pit - 1,162m
- Newfield, Challies Drift - 1,172m
- Willington, Old Pit - 1,190m
- Sunnybrow - 1,212m
- Old Pit - 1,215m
- New Pit - 1,364m
- Newfield Drift (c) - 1,387m
- Newfield, Quarry Pit - 1,461m
- Newfield, Robson Pit - 1,560m
- Long Lane Quarry - 1,827m
