Keywords: TidalCrossSection.png Longitudinal section along a tidal canal for tidal irrigation and cross-section through the river levee en wikipedia 2009 11 21 first version ; 2009 10 15 last version R J Oosterbaan wikipedia en R J Oosterbaan Original upload log page en wikipedia TidalCrossSection GIF 2009-11-21 08 59 R J Oosterbaan 1161×433× 20293 bytes <nowiki>Quality improvement</nowiki> 2009-10-15 21 30 R J Oosterbaan 497×223× 7987 bytes <nowiki>R J Oosterbaan self made Longitudinal section along a tidal irrigation canal </nowiki> Irrigation Tides |