| http://www.w3.org/ns/prov#value | - In a water slide for an elevated earth mass or the like, said water slide including at least one flume mounted on the surface of said mass and curving about said mass along an extended descent path and having upper and lower ends, a starting pool for said at least one flume connected to said flume at its upper end, a landing pool connected to said flume at its lower end, means for circulating wate
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