Sediments eroded from the Rocky Mountains were carried to this lowland by rivers and streams and were deposited in a huge delta complex similar to today's Mississippi River delta in Louisiana.
(Sediments; eroded; from the Rocky Mountains) (Sediments eroded from the Rocky Mountains; were carried; to this lowland; by rivers and streams) (Sediments eroded from the Rocky Mountains; were deposited; in a huge delta complex similar to today's Mississippi River delta in Louisiana)
Sediments Sediments eroded from the Rocky Mountains Sediments eroded from the Rocky Mountains
eroded were carried were deposited
from the Rocky Mountains
to this lowland by rivers and streams
in a huge delta complex similar to today's Mississippi River delta in Louisiana