Halifax - Pontefract Collieries

{"lg_-1":[0,1,0,1],"lg_-1_6":[0,1,0,1],"lg_46":[null,1,null,1],"lg_46_6":[null,1,null,1]}

{"lg_-1":[7,3,2,12],"lg_-1_6":[4,2,0,6],"lg_61":[7,2,2,11],"lg_61_6":[4,2,null,6],"lg_46":[null,1,null,1],"lg_46_6":[null,1,null,1]}

{"lg_-1":[3,2,1,6],"lg_-1_6":[3,2,1,6],"lg_46":[3,1,null,4],"lg_46_6":[3,1,null,4],"lg_490":[null,1,1,2],"lg_490_6":[null,1,1,2]}

{"lg_-1":[5,0,1,6],"lg_-1_6":[5,0,1,6],"lg_61":[5,null,1,6],"lg_61_6":[5,null,1,6]}

{"lg_-1":[2,0,0,2],"lg_-1_6":[2,0,0,2],"lg_46":[2,null,null,2],"lg_46_6":[2,null,null,2]}