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He also advises on risks associated with underground construction and is widely recognised as the world's leading expert on underground tunnelling.

United statesArnold dixUttarakhand uttarkashiCommittee service awardSpace association genevaProfessor arnoldGeneva based international tunnellingUnderground space associationProfessor dixAlan neyland australasian tunnelling societyNational fire protection associationWho is arnold dixRnold dix profileArnold dix tunnel expert