Definitions of small scale mining : a critical evaluation taking account of the Papua New Guinea situation /
Doble, Kerry W.
Definitions of small scale mining : a critical evaluation taking account of the Papua New Guinea situation / Kerry W. Doble. - Port Moresby : Geological Survey of Papua New Guinea, 1983. - 12 leaves.
Mines and mining resources---- Papua New Guinea.
Mining law--Papua New Guinea.
Definitions of small scale mining : a critical evaluation taking account of the Papua New Guinea situation / Kerry W. Doble. - Port Moresby : Geological Survey of Papua New Guinea, 1983. - 12 leaves.
Mines and mining resources---- Papua New Guinea.
Mining law--Papua New Guinea.