00746cam|a2200169 i 450000500170000000800410001703500150005811000400007324500530011326001490016630000110031550000290032665000420035565000530039771000400045071000860049020260818212744.0020330s1973    xx      r    0000|0 eng d  a.b105728792 aNetherlands Engineering Consultants10aRio Magdalena and Canal del Dique Survey Project  aS.l. :bRepublic of Columbia, Ministry of Public Works, and Directorate of International Technical Assistance, Kingdom of the Netherlands,c1973  a397 p.  aPublished in large print 0aWater resources developmentxColombia 0aRio Magdalena and Canal del Dique Survey Project10aColombia.bMinistry of Public Works10aNetherlands (Kingdom, 1815- ).bDirectorate of International Technical Assistance