An apparatus and system for modifying {TAIL ~ the flow} of {HEAD ~ water} in a channel are also disclosed 
An apparatus and system for modifying { TAIL ~ the flow } of { HEAD ~ water } in a channel are also disclosed
OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH