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SUBJECTS (1-2 of 2)
Earthworks Civil Engineering
1
Mark
Earthmoving by manual labour and machines.
United Nations, Economic Commission for Asia and the Far East, Bureau of Flood Control and Water Resources.
Bangkok : U.N.E.C.A.F.E., 1961.
River training and bank protection.
United Nations. Economic Commission for Asia and the Far East. Bureau of Flood Control and Water Resources.
Bangkok : U.N.E.C.A.F.E., 1953.