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  Investigations begin about whether the Clutha River could potentially be dammed.
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  Construction/building of the Roxburgh dam begins.
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  Lake Hawea control dam is complete and put into use. Lake Hawea rises by 20m.
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  Huge investigations into building more dams from the lakes to the sea on the Clutha River.
 30 proposed dam sites, 20 of these were costed out.
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  Reports are submitted outlining the environmental effects of damming the river. This is when a lot of the protesting began.
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  A site is selected for building the Clyde Dam
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  Later - Water Right is granted but for a low dam, not a high dam (which was what was being built)
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  Bulldozers come in and start groundwork for the dam before ‘Water Right’ has been granted.
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  Building begins on the right side of the dam (abutment - large concrete construction)