Shellmouth Reservoir
The Shellmouth Reservoir ( also known as Lake of the Prairies ) is a man-made reservoir on the Assiniboine River in Manitoba and Saskatchewan , Canada . 
<triplet> Shellmouth Reservoir <subj> Assiniboine River <obj> inflows <subj> Canada <obj> country <triplet> Assiniboine River <subj> Manitoba <obj> located in the administrative territorial entity <subj> Saskatchewan <obj> located in the administrative territorial entity <subj> Canada <obj> country <triplet> Manitoba <subj> Canada <obj> country <triplet> Saskatchewan <subj> Canada <obj> country <triplet> Canada <subj> Manitoba <obj> contains administrative territorial entity <subj> Saskatchewan <obj> contains administrative territorial entity