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Keywords:
VICTORIA LINE,
UNDERGROUND,
RAILWAYS,
EXPERIMENTS,
DESIGN,
PROGRAMMING,
TUNNELS,
CONTRACTS,
DEVELOPMENT,
PLANNING,
TUNNELLING,
MACHINERY,
HYDRAULIC,
DRIVING,
SHIELDS,
SHIELD DRIVEN,
DIGGERS,
NETWORKS,
ANALYSIS,
TUBES,
CLAYS,
LONDON CLAY,
POCKETS,
GRAVEL,
SUBSOIL,
SURVEYS,
TARGET,
DATES,
LININGS,
STATIONS,
PLATFORMS,
LONDON,
VICTORIA LINE,
UK
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© Thomas Telford and ICE
1966
