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Petrified wood<br> Scenery in United States picture - Shows a cross-section of a broken petrified log. When smoothed and polished, the resulting surface is most beautiful. You can actually buy petrified wood commercially but it's expensive.
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Shows a cross-section of a broken petrified log. When smoothed and polished, the resulting surface is most beautiful. You can actually buy petrified wood commercially but it's expensive.
North America
