Single drum rollers 2017 1,810 h United States, McMinnville, Oregon
Single drum rollers 2013 905 h United States, Williamsburg, Virginia
Single drum rollers 2013 724 h United States, Cle Elum, Washington
Single drum rollers 2019 190 h United States, Pittsfield, Massachusetts
Single drum rollers 2023 1 h United States, Pittsfield, Massachusetts
Single drum rollers 2018 431 h United States, Des Moines, Iowa
Single drum rollers 2007 595 h United States, Chesapeake, Virginia