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On March 1, 1872 President Ulysses S. Grant signed into existence the world's first national park, Yellowstone National Park. The 2.2 million acres of wilderness is the only complete mid-latitude ecosystem left on the planet.
Parks and People: Dope
Yellowstone an American Legacy
North America's National Parks
Becoming Acadia
El Silencio del Impenetrable
Grizzly Man
Your Friend, Ranger Doug
Yosemite: America's Treasure
Rise of the Warrior Apes
National Parks Exploration Series: Great Smoky Mountains
Smoky Mountain Park Rangers
Rainforest First: Climate Protection in Central Africa
The Mountain
Wild National Parks
Gates of the Arctic
The Lake District: A Wild Year
Saved by the Lioness
Greg Moore - 2013 San Francisco Foundation Community Leadership Awards
