DCHP-1 Online
winter work Placer Mining, Hist. 
the recovery of gold- or platinum-bearing gravel through burning (def. 3) and drifting.
See also: burning (def. 3)
winter work Placer Mining, Hist.
the recovery of gold- or platinum-bearing gravel through burning (def. 3) and drifting.
See also: burning (def. 3)