1895-1946 Consett Iron Co. Ltd 1947-1966 National Coal Board
Publications (2)
- Hill, Alan; NMRS (2012); British Mining 94 - Coal: A Chronology for Britain; ISBN 0901450 6 85; pp.114.
- Robert L Galloway (1882); History of Coal Mining in Great Britain; 298 pages
Chopwell, No.2 Pit - 39m
Chopwell North Terrace Drift B - 107m
Chopwell, No.1 Pit - 175m
Chopwell North Terrace Drift A - 232m
East Drift (a) - 734m
Chopwell Mill Staple - 858m
Chopwell, No.3 Pit - 882m
Milkwellburn, Five-Quarter Drift - 1,080m
Nanny Pit - 1,219m
Milkwellburn, Three-Quarter Drift - 1,363m
Milkwellburn - 1,516m
Garesfield, Heavygate Pit - 1,614m
Milkwellburn, East Shaft - 1,617m
Tongue Burns Drift - 1,749m
Westwood - 1,925m
Chopwell, Pennyhill Pit - 1,925m