Wiseman, Blaine.

Extreme excavators / Blaine Wiseman. - New York, NY : Weigl Publishers, c2011. - 24 p. : col. ill. ; 22 cm. - World of wonder. Big machines .

Includes bibliographical references (p. 23) and index.

What are excavators? -- Dig a hole -- Tracks or wheels -- About the arm -- Where does it go? -- Dig, push, and break -- Sticks and sensors -- Big buckets.

Text and illustrations introduce the characteristics and functions of these machines that are used to move material such as soil, rock, and dirt.

ISBN: 9781616901356 (e-book) 9781616901332 (hard cover) 1616901330 (hard cover) 9781616901349 (soft cover) 1616901349 (soft cover) 1616901357 (e-book)

LCCN: 2010013935

Subjects--Topical Terms:
Earthmoving machinery.

LC Class. No.: TA725 / .W55 2011

Dewey Class. No.: 624.1/52