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Petrified Forest National Park

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Yellow-billed Cuckoo Surveys at Petrified Forest National Park
第 3 页CC0 1.0（公有领域）
Yellow-billed Cuckoo Surveys at Petrified Forest National Park
2007 NPS Environmental Achievement Awards
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Recipients of the 2007 NPS Environmental Achievement Awards
2012 SCPN-NAU Student Projects
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2012 SCPN-NAU Student Projects
How to Make Park Buildings Safer for Birds, One Window at a Time
第 7 页CC0 1.0（公有领域）
How to Make Park Buildings Safer for Birds, One Window at a Time
Women & Paleontology in the Badlands
第 10 页CC0 1.0（公有领域）
Women & Paleontology in the Badlands
Sister Parks: Petrified Forest and Ischigualasto, Across the Equator
第 18 页CC0 1.0（公有领域）
Sister Parks: Petrified Forest and Ischigualasto, Across the Equator
Geology of Petrified Forest National Park, Arizona
第 20 页CC0 1.0（公有领域）
Geology of Petrified Forest National Park, Arizona
Archeoastronomy in Stone: How Ancestral Pueblo People Marked the Sky
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Archeoastronomy in Stone: How Ancestral Pueblo People Marked the Sky
Grasslands at Chaco, Petrified Forest and Wupatki, 2007–2021
第 23 页CC0 1.0（公有领域）
Fifteen years of monitoring semi-arid grasslands at three Colorado Plateau parks found warm-season grasses dominant, few nonnative plants, and a small but significant decline in perennial grass cover.