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naturenps: Stratovolcanoes (a.k.a. composite volcanoes)
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naturenps: Flood basalts
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naturenps: Lava Dome
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naturenps: Caldera
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naturenps: Cinder Cones
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naturenps: Hawaii Volcanoes National Park
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naturenps: Devils Postpile National Monument
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naturenps: Craters of the Moon National Monument & Preserve
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naturenps: Craters of the Moon National Monument & Preserve
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naturenps: Devils Postpile National Monument
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naturenps: El Malpais National Monument
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naturenps: Katmai National Park & Preserve
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naturenps: Katmai National Park & Preserve
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naturenps: Katmai National Park & Preserve
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naturenps: Mount Rainier National Park
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naturenps: El Malpais National Monument
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naturenps: Sunset Crater Volcano National Monument