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The Beresford Hammock, between 1880 and 1897. Creator: William H. Jackson.
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The Beresford Hammock, between 1880 and 1897. Crea...

Water seepage from newly irrigated land..., Dead Ox Flat, Malheur County, Oregon, 1939. Creator: Dorothea Lange.
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Water seepage from newly irrigated land..., Dead O...

Land cut over by lumber company and not replanted, Greene County, Georgia, 1937. Creator: Dorothea Lange.
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Land cut over by lumber company and not replanted,...

Cut-over long leaf yellow pine forest, Near Kiln, Mississippi, 1937. Creator: Dorothea Lange.
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Cut-over long leaf yellow pine forest, Near Kiln, ...

Water seepage from newly irrigated land on top of bench, eroding sides, Dead Ox Flat, Oregon, 1939. Creator: Dorothea Lange.
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Water seepage from newly irrigated land on top of ...

Water seepage from newly irrigated land..., Dead Ox Flat, Malheur County, Oregon, 1939. Creator: Dorothea Lange.
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Water seepage from newly irrigated land..., Dead O...

Water seepage from newly irrigated land..., Dead Ox Flat, Malheur County, Oregon, 1939. Creator: Dorothea Lange.
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Water seepage from newly irrigated land..., Dead O...

Cut-over long leaf yellow pine forest, Mississippi, 1937. Creator: Dorothea Lange.
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Cut-over long leaf yellow pine forest, Mississippi...

Cut-over long leaf yellow pine forest, Mississippi, 1937. Creator: Dorothea Lange.
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Cut-over long leaf yellow pine forest, Mississippi...

Cut-over land, part of stump ranch, California, Orick, Humboldt County, 1939. Creator: Dorothea Lange.
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Cut-over land, part of stump ranch, California, Or...

Botanical illustration, c1880s.
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Botanical illustration, c1880s.

British Poisonous Plants', mid-late 19th century.
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British Poisonous Plants', mid-late 19th century.

Scene in Mississippi', c1897.
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Scene in Mississippi', c1897.

Ramon Margalef (1919-2004), Catalan professor, word specialist in Biology and expert in ecology.
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Ramon Margalef (1919-2004), Catalan professor, wor...

Rubbish, 1951. Creator: Shirley Markham.
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Rubbish, 1951. Creator: Shirley Markham.

Alexander von Humboldt, German author, naturalist and explorer, 1847. Artist: Hermann Biow
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Alexander von Humboldt, German author, naturalist ...

Explorers with Humboldt's expedition at the basalt cliffs at Regla, Mexico, c1820-1839. Artist: Gerolamo Fumagalli
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Explorers with Humboldt's expedition at the basalt...

Inside the Humid Tropics Biome, Eden Project, near St Austell, Cornwall.
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Inside the Humid Tropics Biome, Eden Project, near...

Eden Project, near St Austell, Cornwall.
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Eden Project, near St Austell, Cornwall.

Giant bumble bee sculpture, Eden Project, near St Austell, Cornwall.
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Giant bumble bee sculpture, Eden Project, near St ...

Humid Tropics Biome, Eden Project, Cornwall
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Humid Tropics Biome, Eden Project, Cornwall

Inside the Humid Tropics Biome, Eden Project, Cornwall
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Inside the Humid Tropics Biome, Eden Project, Corn...

'Baron Alexander Von Humboldt, The Great Naturalist', 1850s. Creator: Daniel John Pound.
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'Baron Alexander Von Humboldt, The Great Naturalis...

Alexander von Humboldt, Prussian naturalist and explorer, (1900). Artist: Unknown.
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Alexander von Humboldt, Prussian naturalist and ex...

Alexander von Humboldt, Prussian naturalist and explorer, (c19th century). Artist: Unknown
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Alexander von Humboldt, Prussian naturalist and ex...

Alexander von Humboldt and Aimé Bonpland on the Orinoco River, 1800-1804 (1900). Artist: Unknown
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Alexander von Humboldt and Aimé Bonpland on the Or...

Alexander von Humboldt, Prussian naturalist and explorer, (1900). Artist: Unknown
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Alexander von Humboldt, Prussian naturalist and ex...

Wind pump, 1678. Artist: Athanasius Kircher
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Wind pump, 1678. Artist: Athanasius Kircher

Alexander von Humboldt, German naturalist, c1830. Artist: William Home Lizars
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Alexander von Humboldt, German naturalist, c1830. ...

Upper Borrowdale valley in October, Lake District, Cumbria, 20th century. Artist: CM Dixon.
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Upper Borrowdale valley in October, Lake District,...

Eden Project, Cornwall, 2000s
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Eden Project, Cornwall, 2000s