CA1158053A Reversible canadian flexible dams rcfd Google
A B S T R A C T FORM NO 507/82 1 A flexible wall dame for use in restraining flow of river or sea water comprising in combination an upstanding flexible wall having elongated upper and lower peripheral edge positively and substantially sealingly secured to the river bed or the like and the upper peripheral edge secured to at least one elongated floating vessel by means via a first side