Single drum rollers 2016 1,144 h United States, Holland, Michigan
Single drum rollers 6,052 h United States, Holland, Michigan
Single drum rollers 2007 1,972 h United States, Holland, Michigan
Single drum rollers United States, Holland, Michigan
Single drum rollers 1989 2,827 h United States, Holland, Michigan
Single drum rollers 2014 2,192 h United States, Holland, Michigan