One of the most extensive and important alluvial deposits in the US is the Ogallala formation, which resulted from deposition of sediment eroded from the 
(One of the most extensive and important alluvial deposits in the US; is; the Ogallala formation) (the Ogallala formation; resulted; from deposition of sediment) (deposition of sediment; eroded; from the)
One of the most extensive and important alluvial deposits in the US the Ogallala formation deposition of sediment
is resulted eroded
the Ogallala formation
from deposition of sediment
from the