Overview
A look at the trembling aspen, a widely distributed poplar found in more regions of North America than any other tree.
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4 - 1And Then the Rains Came October 20, 1985 -
4 - 2Battle of the Leaves October 27, 1985
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4 - 3The Ganges Gharial November 03, 1985
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4 - 4One Man’s Island November 10, 1985
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4 - 5Selva Verde: The Green Jungle November 17, 1985
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4 - 6The Plant Hunters November 24, 1985
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4 - 7Kalahari: Wilderness Without Water December 15, 1985
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4 - 8Emas: High Plains of Brazil January 05, 1986
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4 - 9The Feathered Swarm January 26, 1986
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4 - 10Kingdom of the Ice Bear: The Frozen Ocean February 16, 1986
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4 - 11Kingdom of the Ice Bear: Land of Beyond February 23, 1986
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4 - 12Kingdom of the Ice Bear: The Final Challenge March 02, 1986
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4 - 13Saguaro: Sentinel of the Desert March 09, 1986
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4 - 14Death Trap March 23, 1986
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4 - 15Aspen: Dancer on the Wind April 06, 1986
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4 - 16Secrets of an African Jungle April 27, 1986
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4 - 17Birdwatch from Florida May 04, 1986
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4 - 18The Gooneys of Midway May 11, 1986
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4 - 19Where Eagles Fly May 18, 1986
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4 - 20The Skyhunters May 25, 1986