Contra Dam
The Contra Dam , commonly known as the Verzasca Dam and the Locarno Dam , is an arch dam on the Verzasca River in the "Val Verzasca" of Ticino , Switzerland . 
<triplet> Contra Dam <subj> arch dam <obj> instance of <subj> Verzasca River <obj> located on terrain feature <subj> Ticino <obj> located in the administrative territorial entity <subj> Switzerland <obj> country <triplet> Verzasca River <subj> Ticino <obj> located in the administrative territorial entity <subj> Switzerland <obj> country <triplet> Val Verzasca <subj> Verzasca River <obj> located in or next to body of water <subj> Ticino <obj> located in the administrative territorial entity <subj> Switzerland <obj> country <triplet> Ticino <subj> Switzerland <obj> country <triplet> Switzerland <subj> Ticino <obj> contains administrative territorial entity