"Early 1800s use as a burial ground"

http://uwepetercom.blogspot.com/2014/06/early-1800s-use-as-burial-ground.html
Washington Square Park | Manhattan | New York City | USA | 2014-06-12
Washington Square Park is one of the best-known of New York´s Parks. It is situated in the neighbourhood of Greenwich Village and the Ney York University.The Park's fountain area has long been one of the city's popular spots for residents and tourists. Origin: wikipedia