Greene, Julie <br/><br/>
The canal builders :  making America's empire at the Panama Canal / 
Julie Greene 
 - New York :  Penguin Press,  2009 
 - 475 p. :  ill., maps, photographs ;  25 cm. 
 - The Penguin history of American life .
 - The Penguin history of American life .
<br/><br/>Includes bibliographical references (p. [450]-456) and index 
<br/><br/><label>ISBN: </label>159420201X 9781594202018 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Canals--Design and construction--History--Panama
<br/><br/><label>Subjects--Geographic Terms: </label><br/>Panama Canal (Panama)--History<br/>Canal Zone--History