Ah yes I see it as it’s source Holt, Dean W. (2009). American Military Cemeteries, 2d ed. McFarland. pp. 397
Edit: “However, in 2013, workers unearthed 28 graves and remains that were not moved and were still under the playground of the William Dick school built in 1954.” Haas, Kimberly (10 February 2020). "Playing on Hallowed Ground: Hidden