1987

Gyranda Weir (Dawson River) constructed

1983

Coal mine at Tieri

1980

Coal mine at Middlemount

1984

Flash smelter at Mount Morgan ceases operations

1981

Mount Morgan mine ceases production

1981

Tieri proclaimed a town

1980

Middlemount proclaimed a town

1970 – 1979

Local environmentalists lobby to protect Mt Etna caves – CQ’s first and Queensland’s longest running environmental action

1979

Taunton Scientific Reserve

1977

Mount Scoria Environmental Park