 Complete the following phrase:  Potamogeton Pond, a small pond in Queens, New York City historically also known as Pea Pond, is located on a narrow strip of parkland in Hollis Hills alongside Grand Central Parkway and named after an aquatic plant. It was once a stop on a bridle trail that connected Cunningham Park to Alley Pond Park; but when local stables closed, the trail became disused. The pond can be found at 86th Avenue and 217th Street. The completion of Grand Central Parkway reduced the amount of water that fed the pond, resulting in less water intake and converting the once popular ice-skating site to a bog. The perch, carp and catfish that lived in the pond died off in 1963 as the parkway was widened in conjunction with the 