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petits pois
petnapping
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Petrarchan sonnet
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Petri dish
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Petrified Forest National Park
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Petrified Forest National Park

Pet·ri·fied For·est Na·tion·al Park [ pèttrə fīd fàwrəst nàshən'l prk ] national park in eastern Arizona, established as a national monument in 1906, and as a national park in 1962. It is noted for its petrified trees and Native American ruins.
Area: 379 sq km (146 sq mi) 
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