Old Driving Park.
Silsbee's first Buffalo commission was for the clubhouse in the park (which
was subdivided in 1903 into residential streets and lots, becoming the Hamlin Park neighborhood).

Views from the old Driving Park, 1873.
Taken at the Trotting Meeting, August 9th. The upper picture shows the "Go" between Goldsmith Maid, Jim Irving and American Girl, won by the Maid in three straight heats.

Lower picture shows the grand stand and first quarter.
Source: "The Picture Book of Earlier Buffalo," Frank H. Severance , ed. Buffalo Historical Society Publications, Vol. 16, 1912, p. 506 (