Citation - New York Mercury (Gaine): 1780.11.13

NYM(G.780.118
13 Nov 1780:41 (1517)
By permission.  Three days sport, this day, being the 13th
of November, will be run for, on Asket-Heath, formerly
called Flat-Land Plains, five miles from Brooklyn-Ferry, the
noblemen and gentlemens purse of sixty pounds. . . [79 lines
describing races for 3 days, and available services; then]
N.B. A band of music will attend, and God Save the King will
be played every hour during the races.