Stewart's Dam
Stewart's Dam , in Hadley , New York , on the Sacandaga River , holds back the Stewart Bridge Reservoir , one of the largest reservoirs in America to be contained by an earthen dam . 
<triplet> Stewart's Dam <subj> Sacandaga River <obj> located on terrain feature <triplet> Hadley, New York <subj> Sacandaga River <obj> located in or next to body of water