- 1855-1870 P. Teague & Co.
- 1900 Kimberley Colliery Co. 1905-1915 A.W. Brown
- 1925 Cannop Vales Collliery Co.
Publications (3)
- Anstis 1987 p 5
- Anstis 1992 pp 34 - 56
- Oldham, Tony (1998); Mines of the Forest of Dean; 86 pages
Thatch Iron Mine - 332m
Beech Pit - 420m
Thatch - 433m
Bush Pit - 530m
Hamblyns Yorkley Free Mine - 564m
Mile End Pit - 565m
Royal Forester - 574m
Coffee Coal Pit - 614m
New Fere Pit - 695m
Old Thatch - 732m
Thatch Deep Pit - 777m
Hopewell Level - 795m
New Found Out Pit - 814m
Buckholt Level - 820m
Horse Wheel Pit - 832m
Hales Level - 836m
Lady's Slad Freemine Upper Adit - 836m
Cross Knave - 868m
Beech Avenue Free Mine - 877m
Old Engine Pit - 914m
Woodgate Pit - 928m
Lady's Slad Freemine – Lower Adit - 946m
Worcester Walk Free Mine - 946m
Wimberry Slade Free Mine - 979m
Westgate Pit - 986m
Speedwell - 991m
Cannop Drift - 998m
Found Out - 1,003m
Mule Pit - 1,026m
New Thatch - 1,030m
Fox's Pit - 1,063m
Vallet's Gale - 1,102m
Barnhill Pit - 1,159m
Hopewell Colliery Museum - 1,186m
Cannop Drift - 1,204m
Fox's Level - 1,307m
Hopwell Pit - 1,332m
Foundry - 1,342m
Gentlemen Colliers - 1,351m
Old Furnace Level - 1,377m
Society Colliery - 1,378m
Bixslade - 1,415m
New Hawkins, No.1 Level - 1,458m
Cannop - 1,486m
New Hawkins, No.2 - 1,530m
Bixlade Upper Level - 1,662m
Cannop Bridge Level - 1,688m
New Road (Forest Level) - 1,692m
Old Mill Pumping Engine - 1,712m
Hawkin's Level - 1,728m
Cannop Level - 1,737m
Jack's Pit Iron Mine - 1,801m
Coal Way Hill, Trim Pit - 1,875m
Brominghold Pit - 1,921m
Prosper Pit - 1,928m
Bixslade High Level - 1,963m