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21 résultats pour : sulfur

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At a sulfur mine. 1924
UMG26A09_393

At a sulfur mine. 1924

While visiting a sulfur mine?. 1924
UMG26A10_353

While visiting a sulfur mine?. 1924

Sulfur mine in Porto Empedocle.
UMG26A09_116

Sulfur mine in Porto Empedocle.

Visiting a sulfur mine. 1924
UMG26A09_235

Visiting a sulfur mine. 1924

Visit to a sulfur mine. 1924
UMG26A10_270

Visit to a sulfur mine. 1924

Members of the Touring Club Italiano visit a sulfur mine. 1924
UMG26A09_177

Members of the Touring Club Italiano visit a sulf...

In a sulfur mine. 1924
UMG26A09_387

In a sulfur mine. 1924

A sulfur mine near Agrigento. 1924
UMG26A09_363

A sulfur mine near Agrigento. 1924

Nature, Italy, region of Sicilia 1975 Isole Eolie, Isola di Vucano (Aeolian Islands, Vulcano
UMG25A33_467

Nature, Italy, region of Sicilia 1975 Isole Eolie,...

Nature, Italy, region of Sicilia 1975 Isole Eolie, Isola di Vucano (Aeolian Islands, Vulcano
UMG25A33_468

Nature, Italy, region of Sicilia 1975 Isole Eolie,...

Nature, Italy, region of Sicilia 1975 Isole Eolie, Isola di Vucano (Aeolian Islands, Vulcano
UMG25A33_466

Nature, Italy, region of Sicilia 1975 Isole Eolie,...

Nature, Italy, region of Sicilia 1975 Isole Eolie, Isola di Vucano (Aeolian Islands, Vulcano
UMG25A33_493

Nature, Italy, region of Sicilia 1975 Isole Eolie,...

Nature, Italy, region of Sicilia 1975 Isole Eolie, Isola di Vucano (Aeolian Islands, Vulcano
UMG25A33_494

Nature, Italy, region of Sicilia 1975 Isole Eolie,...

Nature, Italy, region of Sicilia 1975 Isole Eolie, Isola di Vucano (Aeolian Islands, Vulcano
UMG25A33_495

Nature, Italy, region of Sicilia 1975 Isole Eolie,...

Pouring from Open Hearth Furnaces
UMG24A34_300

Pouring from Open Hearth Furnaces

Miner of solfara vodi wearing a gas mask, assoro, sicily, 70s
UMG23A14_134

Miner of solfara vodi wearing a gas mask, assoro, ...

Sulfur-salt pool.
UMG23A02_343

Sulfur-salt pool.

United States of America
UMG22A44_380

United States of America

1981 - Gas Sampling around the Mount St. Helens Dome
UMG22A39_247

1981 - Gas Sampling around the Mount St. Helens Do...

Monitoring Gas Emissions from Kilauea Volcano ca. 2010
UMG22A33_110

Monitoring Gas Emissions from Kilauea Volcano ca. ...

Sulfur Springs, Virginia (vicinity). Bridge over the north fork of the Rappahannock River 1865
UMG20A71_196

Sulfur Springs, Virginia (vicinity). Bridge over t...