In 1992 we constructed the greens at Olde Florida Golf Club to specifications established by the United States Golf Association (USGA). Although we resurfaced the greens in 2000 to a new grass variety, TifEagle, the original subsurface was not changed.
#2 green at Olde Florida Golf Club, January 2018
The greens at Olde Florida are still performing well today. This link will provide you with an understanding of the USGA construction method.