Opening the shelf…
Book dossier
by Ian Graham
"Introduces various types of construction vehicles, including diggers, dump trucks, bulldozers, cement mixers, and more"--Provided by publisher.
Moving the earth
Nichols, Herbert L.
Modern diesel technology
Robert Huzij
Diggers and Cranes (Young Machines)
Caroline Young
Tractors at work
D. R. Addison
Bulldozers at work
Dinosaur dig
Penny Dale
Big Noisy Trucks and Diggers
Caterpillar
Diggers
Paul Stickland
I wonder why tunnels are round
Steve Parker