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9 résultats pour : sulfuric

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The Grove cell
UMG20B19_371

The Grove cell

Copper mining and sulfuric acid plant, Copperhill, Tenn. 1939
UMG20A67_277

Copper mining and sulfuric acid plant, Copperhill,...

Copper mining and sulfuric acid plant, Copperhill], Tenn. 1939
UMG20A70_103

Copper mining and sulfuric acid plant, Copperhill]...

Copper mining and sulfuric acid plant, Copperhill], Tenn. 1939
UMG20A62_341

Copper mining and sulfuric acid plant, Copperhill]...

train bringing copper ore out of the mines, Ducktown, Tenn. 1939
UMG20A57_123

train bringing copper ore out of the mines, Duckto...

Copper mining and sulfuric acid plant, Copperhill], Tenn. 1939
UMG20A67_278

Copper mining and sulfuric acid plant, Copperhill]...

Mining land erosion & destruction 1939
UMG20A61_217

Mining land erosion & destruction 1939

Mining land erosion & destruction 1939
UMG20A61_216

Mining land erosion & destruction 1939

Sulfuric Acid 1920
UMG20A51_363

Sulfuric Acid 1920