Petrified Forest

noun

a national park in E Arizona, containing petrified coniferous trees about 170 000 000 years old

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Farther along the tracks were lost in the rocky ground of the petrified forest.

The petrified forest in South Park was then an interesting feature.

The boys would have been glad to explore the petrified forest that night had it been practicable.

"I'll bet we're the first boys that ever ate breakfast in a petrified forest," commented Joe.

This petrified forest is considered one of the great natural wonders of California.

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