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Keywords:
UNDERGROUND,
WATER,
MINING,
DEVELOPMENT,
COALFIELDS,
MINES,
COAL,
ROCKS,
BEARING,
CHARACTERISTICS,
FORMATION,
EOCENE,
CHALK,
OOLITE,
COLLIERIES,
SHAFTS,
SINKING,
BOREHOLES,
FEEDERS,
PRESSURE,
VARIABLE,
JURASSIC,
CARBONIFEROUS,
LIMESTONE,
FISSURES,
BEDS,
GROUNDWATER,
KENT,
SHAKESPEARE,
DOVER,
ENGLAND,
UK,
ENGLAND
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© Thomas Telford and ICE
1923
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