A result of pre-levee floods that spanned many centuries, the Delta consists of extremely rich and fertile soils deposited by the Mississippi River.
(pre-levee floods; spanned; many centuries) (the Delta; consists; of extremely rich and fertile soils) (extremely rich and fertile soils; deposited; by the Mississippi River)
pre-levee floods the Delta extremely rich and fertile soils
spanned consists deposited
many centuries
of extremely rich and fertile soils
by the Mississippi River