Single drum rollers 2014 United States, Hagerstown, Maryland
Single drum rollers 2016 1,929 h United States, Crofton, Maryland
Single drum rollers 2013 2,076 h United States, Hagerstown, Maryland
Single drum rollers 1,542 h United States, Annapolis, Maryland
Pneumatic tired rollers 2002 United States, Columbia, Maryland
Twin drum rollers 1990 United States, Columbia, Maryland
Single drum rollers 1984 3,191 h United States, Annapolis, Maryland
Single drum rollers 2023 United States, Baltimore, Maryland
Single drum rollers 2020 United States, Baltimore, Maryland
Single drum rollers 2018 725 h United States, Baltimore, Maryland
Single drum rollers 1992 United States, Baltimore, Maryland