Earthmoving construction: Caterpillar 9506 front end loader picks up and loads Western Star truck trailer with large stones from excavation for building extension. In background is vibratory pile driver and its power station. University of Michigan dormitory project, Ann Arbor, Michigan, December 2006
earthmovingbuildingconstructionWestern Startrucklarge stonesCaterpillar 9506front end loaderloadexcavationvibratory pile driverUniversity of MichiganAnn ArborDecember2006load rock 3143
