character: John Muir
topic: Nature Conservation and the Formation of National Parks
grade: 8
subject: Social Studies
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character: Theodore Roosevelt
topic: Support for National Parks and Conservation Efforts
grade: 8
subject: Social Studies
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character: Stephen Mather
topic: First Director of the National Park Service and Conservation Advocate
grade: 8
subject: Social Studies
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character: Rachel Carson
topic: Environmental Movement and its Influence on Conservation
grade: 8
subject: Social Studies
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