Paul Graham had a day out for Mines Rovers kicking nine straight goals in their 21.12 (138) to 6.6 (42) demolition of Railways in the Under 16 Goldfields Football League junior competition.
Mines had the game all but sewn up at quarter time after booting seven goals to two.
Railways almost broke even in the second term before being held goalless in the third as the Diorites piled on six more goals.
Anthony Champion, Callum Bramley and Brandon Dowrick were also major contributors for the winners.
Kalgoorlie fell just short of a 100-point margin against Saints in their 20.18 (138) to 6.4 (40) victory.