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National Park Arizona Info; Alerts; Maps; Calendar; Fees; Loading alerts. It's like having two parks in one, an ecosystem over 200 million years old with plants and animals now represented in the surreal landscape of the Painted Desert. jackson in missouri Help keep your national park clean by collecting and disposing of all pet waste. The park is about 30 miles (50 km) long from north to south, and its width varies from a maximum of about 12 miles (20 km) in the north to a minimum of about 1 mile (1. Petrified Forest National Park is a world class scientific laboratory for study of fossils from the later part of the Triassic Period (about 227-205 million years ago). westfield wheaton plaza
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