Soil moving, road construction: Worker pushes a gasoline driven vibratory soil compactor on a crushed gravel layer to provide base for street curb and sidewalk. Additional crushed gravel is in shovel of Caterpillar skeed steer loader on right. In foreground is excavation in which another worker is building a drain basin with concrete block and mortar. Huron Parkway, Ann Arbor, Michigan, 2005.

Soil moving, road construction: Worker pushes a gasoline driven vibratory soil compactor on a crushed gravel layer to provide base for street curb and sidewalk. Additional crushed gravel is in shovel of Caterpillar skeed steer loader on right. In foreground is excavation in which another worker is building a drain basin with concrete block and mortar. Huron Parkway, Ann Arbor, Michigan, 2005.