Sterling's Plantation was in Louisiana around Pointe Coupe` Parish. You may view the links below to see a map of where Sterling's is located and a History of the battle between Maj Gen Napoleon J.T. Dana [US] and Brig Gen Tom Green [CS] in which the confederates won this battle. Dana was sent to garrison Morganza and prevent the Rebel troops from operation on the Atchafalaya River and deter any enemy troops from passing by. Please read the following links:
http://americancivilwar.com/statepic/la/la016.html

http://americancivilwar.com/statepic/louisiana.html

http://en.wikipedia.org/wiki/Battle_of_Stirling's_Plantation

Patricia White