Assertion: mundaring weir | /r/HasProperty | a 760 millimetres
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Source sentences:
text: the Mundaring Weir, which dammed the Helena River in the Darling Scarp creating the Helena River Reservoir; a 760 millimetres (30 in) diameter steel pipe which ran from the dam to Kalgoorlie 530 kilometres (330 mi) away; and a series of eight pumping stations and two small holding dams to control pressures and to lift the water over the Darling Scarp.