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Keywords:
MANUFACTURE,
SALT,
WELLS,
SINKING,
INDUSTRIES,
BOREHOLES,
SHAFTS,
BRINE,
BORING,
PROCESS,
METHODS,
MINERALS,
SODIUM,
CHLORIDE,
SODIUM CHLORIDE,
SUBSIDENCE,
MIDDLESBROUGH,
UK
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© Thomas Telford and ICE
1887
