The present invention relates to an apparatus, system, and method for modifying the flow of {HEAD ~ water} in {TAIL ~ a channel} 
in
The present invention relates to an apparatus , system , and method for modifying the flow of { HEAD ~ water } in { TAIL ~ a channel }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL