excavation

Describes tools and machines such as shovels, posthole diggers, bulldozers, and dump trucks, exploring the ways they move matter.

Photographs and text provide information about diggers, explaining what they are, looking at different types of diggers, and discussing how they are used.

Offers an introduction to how various construction machines work, and discusses what future construction vehicles may look like and how they would operate.

Verses describe the holes that a mole, dog, worm, and rabbit dig, but none can compare with the work of a man and his steam shovel.

Verses describe the holes that a mole, dog, worm, and rabbit dig, but none can compare with the work of a man and his steam shovel.

Briefly describes the parts of a digger, or excavator, and the work it does.

Simple text and supportive images introduce young readers to dump trucks.