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His letters, essays, and books telling of his adventures in nature, especially in the Sierra Nevada mountains of California, have been read by millions. His activism helped to preserve the Yosemite Valley, Sequoia National Park and other wilderness areas.
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This book is about his experience with two days in a cabin near Walden Pond
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It is one of the oldest, largest, and most influential grassroots environmental organizations in the United States.
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It is a conservation law in the United States that prohibits trade in wildlife, fish, and plants that have been illegally taken, possessed, transported or sold.
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