Pipelayer Dozers 2014 2,788 h United States, Casper, Wyoming
Pipelayer Dozers 2012 2,043 h United States, Pierre, North Dakota
Pipelayer Dozers 2013 2,418 h United States, Williston, North Dakota
Pipelayer Dozers 2014 1,744 h United States, Gillette, Wyoming
Pipelayer Dozers 2013 1,087 h United States, Casper, Wyoming
Pipelayer Dozers 2015 3,224 h United States, Williston, North Dakota
Pipelayer Dozers 2011 2,933 h United States, Rock Springs, Wyoming
Pipelayer Dozers 2008 3,549 h United States, Gillette, Wyoming
Pipelayer Dozers 2012 3,786 h United States, Casper, Wyoming
Pipelayer Dozers 2011 2,498 h United States, Gillette, Wyoming