The delta arms sometimes remain blocked with ice the whole year round.
The most fertile soil is the alluvium of the' Delta, deposited during the overflows of the Mississippi.
The Senegal indeed has what is styled an interior delta, but, with the exception of the marigot named, all the divergent branches rejoin the main stream before the sea is reached.
From the extreme south most of the merchantable timber had been cut, but immediately north of this there were still vast quantities of valuable long-leaf pine; in the marshes of the Delta was much cypress, the cotton-wood was nearly exhausted, and the gum was being used as a substitute for it; and on the rich upland soil were oak and red gum, also cotton-wood, hickory and maple.
As these were insufficient to give employment to all the prisoners, some were put to work on Yazoo Delta plantations on partnership contracts.