...J. Smith returned hence to his own department with his somewhat depleted command. On his way up the Mississippi, he landed at Sunnyside, in the south eastern corner of Arkansas, and attacked, near Columbia , a Rebel force estimated at 3,000, said to be under command of Marmaduke, strongly posted across a bayou emptying into Lake Chicot, who were worsted and driven, retreating westward. Our loss here w...