Pipelayer Dozers 2013 2,418 h United States, Williston, North Dakota
Pipelayer Dozers 2015 3,224 h United States, Williston, North Dakota
Pipelayer Dozers 1977 1,313 h Canada, NISKU, Alberta
Pipelayer Dozers 2011 2,933 h United States, Rock Springs, Wyoming
Pipelayer Dozers 2011 432 h Canada, Kamloops, British Columbia
Pipelayer Dozers 2008 4,812 h United States, Springville, Utah
Pipelayer Dozers 2009 478 h Canada, Fort St. John, British Columbia
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