1980 ~ |
Cordeaux
Colliery - officially opened |
~ |
Westcliff
Colliery - Methane Drainage commences |
~ |
Tower
Colliery - commences production |
1981 ~ |
Appin
Colliery - Methane Drainage commences |
1982 ~ |
Westcliff
Colliery - Longwall mining commences |
~ |
Westcliff
Colliery - pilot 1.2 MW turbine installed in Methane Plant |
~ |
Brimstone
#2 Colliery - closes 21/5/82 |
~ |
Valley
#1 Colliery - No. 2 Entry - closes 21/5/82 |
1983 ~ |
Avondale
Colliery - closes 17/1/83 |
~ |
Sth
Clifton Colliery - closes 16/9/83 |
~ |
Valley
#3 Colliery - closes 13/12/83 |
1984 ~ |
Sth
Bulli Colliery - retrenches labour |
~ |
Westcliff
Colliery - 15 MW Power Plant installed in Methane Drainage Plant |
1985 ~ |
Corrimal
Colliery - closes 7/12/85 |
1986 ~ |
Cordeaux
Colliery merges with Corrimal Colliery |
1987 ~ |
Bulli
Colliery - closes 15/5/87 |
~ |
Avon
Colliery - closes 26/6/87 |
~ |
Yellow
Rock Colliery - closes 26/6/87 |
1988 ~ |
Kemira
Colliery - longwall reintroduced. |
~ |
Tower
Colliery - longwall commences. |
1989 ~ |
Metropolitan
Colliery - Denehurst purchases from Savage Resources |
~ |
Tower
Colliery - methane drainage commences. |
~ |
Huntley
Colliery closes |