1947 ~ |
Tongarra
Colliery - May - G. Roberts takes over from A. Smith as manager |
~ |
Sth
Bulli Colliery - scraper loaders introduced |
~ |
Coal
Cliff Colliery - control by Commonwealth Coal Commissioner lifted |
1948 ~ |
Coke
works & washery at Wongawilli closed |
~ |
Excelsior
No.1 Colliery closes |
~ |
Kembla
- Keira Tunnel - work commences |
1949 ~ |
Bulli
Colliery - contract mining ceases |
~ |
Kembla
- Keira Colliery (Kemira Colliery) - contract mining ceases |
~ |
Kembla
- Keira Colliery fully mechanised |
1950 ~ |
Mt.
Keira Colliery - operations abandoned in Wongawilli seam on Sept. 6th.due to excessive
water & bad roof. |
~ |
Mt.
Pleasant Colliery - #3 seam production commences on 16th Dec. to make up for loss of
#3 seam at Kemira Clly |
~ |
Sth
Clifton Colliery - taken over by Joint Coal Board |
1951 ~ |
Huntly
Colliery - purchased by Joint Coal Board |
~ |
Coal
Cliff Colliery - Samson Cutters & Goodman duck-bill Loaders introduced |
1952 ~ |
Nebo
Colliery - replaces track mounted with trackless mechanisation |
~ |
Huntley
Colliery - Continuous Miners introduced. Joy CM cuts and loads 32 tons Tongarra sm.
coal (15/7/52) |
~ |
Wongawilli
Colliery - Continuous Miners introduced |
~ |
Huntly
Colliery - production ceases. New Huntley Colliery (on same site) expands. |
1953 ~ |
Last
shipment of coal from Bellambi Jetty |
1954 ~ |
Kembla
- Keira Tunnel - completed |
~ |
Huntley
Colliery - control taken by Electricity Commission |
~ |
Sth
Bulli Colliery - scraper loaders replaced with Jeffrey equipment |
~ |
Coalcliff
Colliery - Duck-bill loaders withdrawn |
~ |
Coalcliff
Colliery - purchased by Kembla Coal & Coke |
~ |
Metropolitan
Colliery - 3600' drift replaces downcast winder |
~ |
Sth
Clifton Colliery - purchased by S & M Fox |
~ |
Sth
Clifton Colliery - conveyor belts replace endless rope |
~ |
Bellambi
jetty abandoned |
1955 ~ |
Corrimal
Colliery - old incline replaced by new incline direct to colliery |
~ |
Sth
Clifton Colliery - Continuous Miners introduced |
~ |
Old
Bulli Colliery - Continuous Miners introduced |
~ |
Nebo
Colliery - Continuous miners introduced |
~ |
Mt.
Keira Colliery changes official name Osborne-Wallsend to Kemira Colliery (7th.Feb) |
~ |
Kemira
Colliery - Continuous Miners introduced (Joy 1CM3s) |
~ |
Bellambi
jetty washed away |
~ |
Mt.
Pleasant Colliery - operations cease 30th. Sept. ( equipment returned to
Kemira Clly) |
1957 ~ |
Darkes
Forest Ventilation Shaft commissioned |
~ |
Nebo
Colliery - Shuttle cars introduced |
1958 ~ |
Wongawilli
Colliery - Bulli seam found to exist in locally thickened area |
~ |
Kemira
Colliery - Roof Bolters introduced in January (Fletcher) |
~ |
Kemira
Colliery - Shuttle Cars introduced in September (Joy 10SCs) |
~ |
Tongarra
Colliery - Coal to Tallawarra PS. (prod. 1945 - 26,000; 1951 - 40,000; 1958 - 70,000) |
1959 ~ |
Wongawilli
Colliery - Incline replaced by Decline conveyor |
~ |
Coal
Cliff Colliery - contract mining ceases |