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The Devon River authority (Wimbleball Reservoir) order 1974: Statutory Instruments 1974 ; no. 122 (1974)
The South West water authority (Colliford Reservoir) order 1978: Statutory Instruments 1978 ; no. 1945 (1979)
The Wessex water authority (Clatworthy Reservoir) order 1980: Statutory Instruments 1980 ; no. 863 (1980)
The South West water authority (Stithians Reservoir pumping station and transfer pipeline to River Medlyn) order 1980: Statutory Instruments 1980 ; no. 1432 (1980)
The South West water authority (River Medlyn discharge) order 1980: Statutory Instruments 1980 ; no. 1470 (1980)
The South West water authority (Milton Brook reservoir discharge) order 1980: Statutory Instruments 1980 ; no. 1738 (1980)
The South West water authority (Colliford Reservoir associated works) order 1981: Statutory Instruments 1981 ; no. 1382 (1981)
The South West water authority (Meldon Reservoir discharge) order 1983: Statutory Instruments 1983 ; no. 1085 (1983)