Workers building a natural gas pipeline, Grand Rapids, Michigan, USA

america american being beings building business construction constructions contracting day daylight daytime dig digging digs dredger dredgers duct ducts during economic economical economically economy electricity energies energy excavator excavators exterior exteriors gas gases grand human humans industry job jobs labor laborer laborers laboring labors labour labourer labourers labouring labours line lines main mains male man men michigan natural north occupation occupations of outdoor people person persons photo photos pieline pipe pipeline pipelines pipes power profession professions rapids scoop scoopes scooping sector shot shots shovel shovelling shovels site sites states supply the trade united us us american usa vehicle vehicles woman work worker workers workers working works