Under the ground /
Henry Pluckrose.
- 1st American ed.
- New York : Franklin Watts, c1998.
- 29 p. : col. ill. ; 27 cm.
- Machines at work .
- Pluckrose, Henry Arthur. Machines at work. .
Includes index.
Describes underground areas including subways, bank vaults, and basement offices as well as the machines used to construct these places, dig tunnels, mine coal, and drill for oil.