Here is something to think about! In 1977, the USGA recorded the following green speeds at these clubs:
Augusta National GC- 7' 11"
Cypress Point Club- 7' 8"
Merion GC- 6' 4"
Oakland Hills CC- 8' 5"
Oakmont CC- 9' 8"
Pine Valley GC- 7' 4"
Pinehurst- 6' 10"
San Francisco GC- 7' 2"
Shinnecock Hills GC- 7' 2"
Winged Foot GC- 7' 5"