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Keywords:
WATER,
WELLS,
DRILLING,
TECHNIQUES,
SAND,
METHODS,
CIRCULATION,
DEVELOPMENT,
TELEVISION,
CAMERAS,
BOREHOLES,
ROTARY,
TUBES,
BORING,
HOLES,
ALUMINIUM,
SCREENS,
ACIDIFICATION,
ABSTRACTION,
PACKS,
GRAVEL,
ACID,
TREATMENT,
WATER SUPPLY,
PUMPS,
SHOT,
MUD,
FLUSHING,
SHOTFIRING,
UK
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© Thomas Telford and ICE
1963
