A group of men work to connect two pieces of pipeline by welding
A man and a boy walk alongside a group of men next to a section of pipeline and a piece of machinery
A man uses a piece of machinery to work on the pipeline
Man operating a dragline to create a trench for the pipeline
Man operating a dragline to create a trench for the pipeline; another man beside a truck in the background
Man walking in front of a ditch-digging machine beside unburied pipeline
Men and machinery alongside pipeline and a trench
Men operate machinery to move pipes
Men standing alongside a section of pipeline next to a piece of machinery
Men with two side boom cats (tractors equipped with lifting booms) lifting pipeline
Three men with a side boom cat (tractor equipped with lifting boom) lifting pipeline off a truck
