The Daniel-Johnson dam (French: Barrage Daniel-Johnson), formerly known as Manic-5, is a multiple-arch buttress dam on the Manicouagan River that creates the annular Manicouagan Reservoir.
Head entity: Manicouagan Reservoir
Tail entity: Daniel-Johnson Dam
Relation (head \u2192 tail): reservoir created
Inverse relation (tail \u2192 head): dam