Earl J. Hess <br/><br/>
In the Trenches at Petersburg  Field Fortifications and Confederate Defeat 

 -  The University of North Carolina Press  2009 
 - Civil War America .
<br/><br/><label>ISBN: </label>9780807832820 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Civil War Period (1850-1877)<br/> United States <br/>Fortification, Field--History--19th century,Fortification--History.--Virginia--Petersbur<br/>HISTORY