Jan 1st, 2024 from NMRS by Buddle-Bot
Dec 24th, 2025 by Alex
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| South Wales | |
| Sirhowy Valley | |
| 51.6990166, -3.1893449 | |
| SO 1790 0070 | |
| Private Land | |
| 190m | |
| #2,646 | |
Llanover shaft is/was 192 yards deeps and 15ft in diameter
The mine worked the Pontygwaith and Tillery seams
1909-30 Bargoed Coal Co. Ltd
Coal winding ceased in 1929 and the mine was used for pumping water for Markham Colliery.
1931-46 Markham Steam Coal Co. Ltd
1947-62 National Coal Board
Markham itself closed in 1985.
Site is just of a public footpath.
Westfield Quarries - 440m
Manmoel Level 1 - 508mTwyn Simon - 511mManmoel Level 2 - 532mRhoswen Colliery Old - 537mHafodrisclawdd-Isaf level - 728mRhoswen Colliery New - 822mManmoel Colliery - 1,005mGreen Tree Level - 1,019mCwrt-y-Bella Colliery - 1,080mManmoel Level 3 - 1,104mGwrhay Colliery - 1,139mIslwyn - 1,580mMarkham - 1,761mOakdale - 1,814mWaterloo Colliery No 3 - 1,834mWaterloo Colliery No 4 - 1,877mPen y Coedcae Colliery - 1,919mWaterloo Colliery No 1 - 1,922mWaterloo Colliery - 1,923mWaterloo Colliery No 2 - 1,997m