Vertical mast lifts 2014 382 h United States, Dupont, Indiana
Vertical mast lifts 2015 266 h United States, Dupont, Indiana
Vertical mast lifts 2017 United States, Dupont, Indiana
Vertical mast lifts 2018 113 h United States, Dupont, Indiana
Vertical mast lifts 2016 United States, Dupont, Indiana
Vertical mast lifts 2015 382 h United States, Dupont, Indiana
Vertical mast lifts 2016 300 h United States, Dupont, Indiana