"Top dog Duke leads a busy work crew to a new construction site. All sorts of dogs have plenty to do before the day is out. These clever dogs will dig, haul, push, plow, and even bring in a crane to build a new park. But what happens when they find something unexpected buried deep in the ground?"--Dust jacket.

When Mike Mulligan and his steam shovel, Mary Ann, lose their jobs to the gasoline, electric, and diesel motor shovels, they go to a little country town where they find that one new job leads to another.