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Keywords:
SLIPS,
SUBSIDENCE,
RAILWAYS,
CUTTINGS,
EMBANKMENTS,
SLOPES,
LANDSLIDES,
LANDSLIPS,
WATER,
DIVERSION,
PIETERMARITZBUR,
RIET SPRUIT,
CEYLON,
SRI LANKA,
ASIA,
SOUTH AFRICA,
AFRICA
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© Thomas Telford and ICE
1919
