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Science & Technology Pictures & Images
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Astronomy
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Hauling elk at Stephens Creek game ranch - elk reduction (28448-1)
Invention & Research
Gill netting operation on the Munson
Invention & Research
Bulrush & algae mat
Algae
Algae mat
Algae
Algae growth at margin of tepid pool
Algae
Thermophyllic bacteria
Bacterium
Thermophyllic bacteria
Bacterium
Thermal algae
Algae
Bacteria head, Cedar Tree Spring - Mammoth Hot Springs
Bacterium
Algae in thermal water
Algae
Filamentous bacteria at Mammoth Hot Springs
Bacterium
Filamentous algae in run off channel in the Old Faithful area
Algae
Algae near Pump Geyser
Algae
Algae run off in Black Sand Basin
Algae
Algae flow patterns
Algae
Thermophilic algae & sinter detail
Algae
Algae close up
Algae
Algae in runoff channels
Algae
Algae in runoff channels
Algae
Algae in runoff channels
Algae
Algae in runoff channels
Algae
Oil stained sulfur crystals - Mineral deposits
Sulfur
Sulfur crystals - Mirror Plateau - Mineral deposits
Sulfur
Sulfur-lined pool - Hot Springs, Norris Geyser Basin
Sulfur
Small spring in Sulfur Springs area - Hot Springs, Mud Volcano area
Sulfur
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