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Keywords:Algae, Bacteria Mat, Bacterial Mat, Dan Hartford Photo, Excire 2026 (en), Landscape, National Park, Nature, Old Faithful Upper Geyser Basin, Texture, Thermal-Area, WY, Wyoming, Yellowstone National Park, CaptureDate=6/11/2011, FolderName=2011-06b - Yellowstone, FileName=40d002-#6291
