Turner, Joe M. <br/><br/>
Excavation systems :  planning, design, and safety / 
Joe M. Turner. 
 - New York :  McGraw-Hill,  c2009. 
 - xvii, 509 p. :  ill. ;  24 cm. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>9780071498692 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Excavating machinery.