Logs, root wads, boulders or stream banks can cause back water pools to form as water swirls around the obsticle.
(Logs, root wads, boulders or stream banks; can cause; back water pools to form as water swirls around the obsticle) Context(Logs , root wads , boulders or stream banks can cause,List([0, 51))):(back water pools; to form; as water swirls around the obsticle)
Logs , root wads , boulders or stream banks can cause,List([0, 51))
Logs, root wads, boulders or stream banks back water pools
can cause to form
back water pools to form as water swirls around the obsticle
as water swirls around the obsticle