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from article Tide
Cotidal chart for K2 in a hypothetical ocean of constant depth bounded by meridians 70° apart. (After A. T. Doodson and H. D. Warburg, Admiralty Manual of Tides, London, 1941)
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from article Asia
Map of Asia.
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from article Asia
Major cratons that have been involved in the Eurasian tectonic plate. (After The Research Institute of Geology, Chinese Academy of Geological Sciences, Scheme showing the subdivisions of paleo and present plates in Asia, Cartographic Publishing…
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from article Asia
Alluvial bottomlands, long heavily cultivated for rice, in the hill country of Zhejiang Province, China, have been subject to damaging sand and gravel deposits washed from unprotected clearings for tung trees and sweet potatoes. (From G. B. Cressy,…
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from article Asia
Winter view of boreal forest (taiga) in Siberia. Hunting and trapping continue to be characteristic activities in great portions of this forest. (Sovfoto)
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from article Lepidolite
Group of lepidolite crystals found in Zinnwald, Czech Republic. (Specimen from Department of Geology, Bryn Mawr College)
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from article Forest
Redwood forest in Humboldt Redwoods State Park, California. (Credit: Solid Photo/Alamy)
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from article Forest
Forest ecosystems, including soils, decaying organic matter, fungi, microorganisms, plants, trees, and animals, form an intricate web with many interconnections. (Credit: Imageshop/Zefa Visual Media UK/Alamy)
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from article Forest
A Colorado forest of quaking aspen (Populus tremuloides) trees in autumn. (Credit: Robert Cable/Design Pics/Natural Selection)
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from article Forest
Deforested woodland in Wicklow, Ireland. Forest managers must implement sustainable forest practices in order to preserve and protect the variety of forest resources. (Credit: Bernard Golden/Alamy)
