1901: Harry, the Blue-Ribbon Police Horse of Prospect Park » Riding-and-Driving-Club-of-Brooklyn-BPL
The RDCB riding ring was 180 x 100 feet—the largest private indoor riding ring in the country at the time. The hall had a narrow seating promenade and 33 box seats; a glassed-in viewing area in the clubhouse overlooked the ring.
Riding and Driving Club of Brooklyn riding ring