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Keywords:
WATER SUPPLY,
WATERWORKS,
CATCHMENTS,
BOREHOLES,
SHAFTS,
YIELD,
WELLS,
GAUGING,
STREAMS,
RIVERS,
RAINFALL,
WATERSHEDS,
PUMPS,
JOHANNESBURG,
CAPE TOWN,
THAMES,
MELBURY MOOR,
SOUTH AFRICA,
UK
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© Thomas Telford and ICE
1912
