Cheers wal it doesn't get better lower down, its a rapid flow after a bridge, spent a couple hrs for that result feeding sluice as well. Did test pans up stream and doesn't get better, will agree persistence gets results but its small and a bit labour intensive for the result.
Might be worth checking some of the nearbye streams....especially the ones feeding the opposite side of the range to where that one flows....Cheers Wal.