Safety guide for men working in sewers or at sewage disposal works for the use of foremen, gangers, charge hands, workmen and others entering manholes and pumping stations or working in sewage treatment works
Institution of Civil Engineers (Great Britain)
Great Britain.Ministry of Housing and Local Government.
London (Great George St., S.W.1) Institution of Civil Engineers London Ministry of Housing and Local Government
1969
Simultaneously published in the Institution's 'Safety in sewers and at sewage works'
Sewerage