Bersham Colliery, Wrexham, 1880
Shotfiring ignited a blower which eventually caused an explosion. 9 died.
Bersham Colliery, Wrexham, 1909
Methane explosions caused by shotfiring. 9 died.
Brynmally Colliery, Wrexham, 1856
Inrush of water from old workings. 13 died.
Brynmally Colliery, Wrexham, 1889
Explosion caused by a sudden release of gas due to a roof fall igniting on opened lamps. 20 died.
Bryn-yr-owen Colliery, Wrexham, 1855
Accident. 7 died.
Coedpoeth Colliery, Coedpoeth, 1850
Explosion. caused by naked lights. 3 died.
Frood Colliery, Wrexham, 1854
Accident. 7 died.
Gresford Colliery, Wrexham, 1934
Methane explosion. 260 died.
Llay Main Colliery, Wrexham, 1924
Methane explosion caused by shotfiring. 9 died.
Minera Colliery, Wrexham, 1844
Explosion. 5 died & 2 injured.
Minera Colliery, Wrexham, 1849
Explosion. 9 died.
Mostyn Colliery, Mostyn, 1806
2 Explosions reported in 1806. 66 died.
Pendwll Colliery, Wrexham, 1878
Explosion. 6 died.
