 New Lawn Seed Sprayed Under Rock Wall
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 Switching at General Shale
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 Callixylon whiteanum, cross section of wood, field of view about 3 mm, Woodford Shale, Upper Devonian, Murray Co., Oklahoma.
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 Olenellus chiefensis, 42 mm, Combined Metals Member, Pioche Shale, Panaca, Nevada
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 Shale Stream with Seepage Cliffs
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