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RELATION OF PRECIPITATION TO HEIGHT GROWTH OF FOREST TREE SAPLINGS. Utah 



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IS DOUGLAS FIR REPLACING WESTERN YELLOW PINE IN CENTRAL IDAHO? JOUT. 



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fires and forest succession in the bitterroot mountains of northern 



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forest types of the northern rocky mountains and their climatic con- 

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FACTORS CONTROLLING FOREST SUCCESSIONS AT LAKE ITASCA, MINNESOTA. Bot. 



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CHANGES IN THE COMPOSITION OF A TIMBER STAND IN NORTHERN COLORADO. 



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THE VEGETATION OF HEART'S CONTENT, A VIRGIN FOREST IN NORTHWESTERN 



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