Crow Creek massacre
The Crow Creek massacre occurred around the mid 1300s CE between Native American groups at a site along the Missouri River in the South Dakota area; it is now within the Crow Creek Indian Reservation . 
<triplet> Crow Creek massacre <subj> Crow Creek Indian Reservation <obj> located in the administrative territorial entity <triplet> South Dakota <subj> Missouri River <obj> located in or next to body of water <triplet> Crow Creek Indian Reservation <subj> South Dakota <obj> located in the administrative territorial entity