Thatto got a great start when on their first set used good hands to get Danny Edwards over in the corner on two minutes to lead 0-4.
Thatto kept the pressure on when Alex Bridge broke the line and offloaded to Joe Heaton and with a quick play the ball Charlie Taylor kicked cross field for Danny Edwards to collect and score on five minutes, 0-8.
Miners had a scrum and got the ball out wide for Todd Fenlon to score with Zac Fagan to convert on 16 minutes 6-8.
Todd Fenlon took full advantage of a quick play the ball to go over on 23 minutes 10-8.
Miners used quick hands to get the ball out wide and send Lewis Grimes over on 26 minutes 14-8.
Joe Heaton broke Miners line and took the fullbacks tackle and a quick play got the ball out wide and Alex Bridge cut back inside to go over wich Conner Foster con to make it 14-14 at half time.
A hard second half seen both teams come close but thatto made the breakthrough when Robbie Horton ran onto a short pass close to the line and take four miners over with him on 50mins, Foster con 14-20.
Thatto were awarded a penalty on 66mins wich Foster kicked 14-22.
Both teams fave it their all but good defences held out and Thatto took the spoils at full time 14-22.
Man of the match went to Joe Heaton.