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Keywords:
EDMUND NUTTALL,
SOCIETE ANONYME HERSENT,
J L KIER,
CONSTRUCTION,
TRANS IRANIAN,
RAILWAYS,
WORKS,
PROBLEMS,
MOUNTAINS,
TUNNELLING,
BRIDGES,
TUNNELS,
CONSORTIA,
GROUND,
CONDITIONS,
MOUNTAINOUS,
AREAS,
COUNTRIES,
DEVELOPING,
ELBURZ,
BAKHTIARISTAN,
IRAN,
PERSIA,
MIDDLE EAST
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© Thomas Telford and ICE
1947
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