Mark Hamblin / 2020VISION / Exposed rock and sastrugi (irregular grooves and shapes in snow caused by wind erosion and deposition), Ben More Coigach, Wester Ross, Scotland, UK, December 2010
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Mark Hamblin / 2020VISION / Sastrugi / irregular grooves and shapes in snow caused by wind erosion and deposition, on Ben More Coigach in winter, Coigach, Wester Ross, Scotland, UK, December 2010
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Mark Hamblin / 2020VISION / Exposed rock and sastrugi (irregular grooves and shapes in snow caused by wind erosion and deposition), Ben More Coigach, Wester Ross, Scotland, UK, December 2010
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Mark Hamblin / 2020VISION / Sastrugi (irregular grooves and shapes in snow caused by wind erosion and deposition) on Ben More Coigach in winter, Coigach, Wester Ross, Scotland, UK, December 2010
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Mark Hamblin / 2020VISION / View of Sgurr an Fhidhleir and Lochan Tuath from Ben More Coigach, with sastrugi (irregular grooves and shapes in snow caused by wind erosion and deposition) in foreground, Coigach, Wester Ross, Scotl...
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Mark Hamblin / 2020VISION / Sastrugi (irregular grooves and shapes in snow caused by wind erosion and deposition) on Ben More Coigach in winter, Coigach, Wester Ross, Scotland, UK, December 2010
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Jeff Vanuga / Doublet Pool showing mineral deposition. Gesyer Hill Complex, Upper Geyser Basin, Yellowstone National Park, Wyoming, USA, September 2006.
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Bryan and Cherry Alexander / Sastrugi (wind carved patterns in the snow) near Cape Dezhnev in autumn. Uelen, Chukotka, Siberia, Russia, 2004.
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Graham Eaton / A 'glacial erratic' or boulder deposited by retreating ice, outside Cwm Idwal, Snowdonia National Park, Wales, January 2009
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Eric Baccega / Peyto Lake showing silt deposition from glacier, Banff National Park, Rocky Mountains, Alberta, Canada, September 2009
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Mark Moffett / Ant (Pheidole ferox) nest entrance was formed from underground soil excavation and deposition by worker ants, Parana River, northern Argentina
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Kirkendall-Spring / Travertine terraces at Mammoth Hot Springs, Yellowstone NP, Wyoming, USA
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Jeff Vanuga / Doublet Pool with mineral deposition, Gesyer Hill Complex, Upper Geyser Basin, Yellowstone National Park, Wyoming, USA