/ /1850 | Bute Merthyr Colliery Tests of the deep seems at Bute Merthyr Colliery, Treherbert, prove that mining here (and also at Ystrad) will prove profitable. |
04/02/1861 | Rhondda Valley Branches (Taff Vale Railway) Pontypridd to Ystrad opened to passengers. |
07/01/1863 | Rhondda Valley Branches (Taff Vale Railway) Ystrad to Treherbert opened to passengers. |