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1883 139. Gold mining regions. Statistical Atlas Gold. Mining regions ... (ma … |
1883 140. Silver, copper mining r … Statistical Atlas Silver. Mining regions ... C … |
1883 141. Coal mining regions. Statistical Atlas Coal. Mining regions ... (ma … |
1883 142. Iron ore mining regions … Statistical Atlas Iron ore. Mining regions ... … |
1897 Quicksilver production, 1880 … World Atlas Quicksilver production, 1880 … |
1897 Gold, silver money and produ … World Atlas The world's gold and silver … |
1897 Coal production, 1887-1890. World Atlas Production of coal in the wo … |