| http://www.w3.org/ns/prov#value | - There, the Superfund site-laced sewage effluent, and after only partial treatment that cannot remove or neutralize many of the toxic and nuclear contaminants, is piped via huge purple conduits laid under selected streets in central Denver at public expense, and on to fill the lakes at City Park and Washington Park and irrigate selected parkways, school grounds, golfcourses and other public lands.L
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