(Ticket Booth #3, IL-16-23) in Brookfield Zoo, in Brookfield, Cook County, IL. 31st St. W. 0.15 miles from jct with IL171 (1st Av.) in Brookfield, N. on Golf Rd. 200’, W. into the zoo parking lot. The bldg is on the S. side of the parking lot before the entrance to the zoo. (09-2005, N41° 50.16', W87° 50.00') Photos by Don Burnell.

Ticket Booths 2, 3, & 4.