<style face="normal" font="default" size="100%">Tree Growth and Climatic Cycles</style>

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<style face="normal" font="default" size="100%">Tree Growth and Climatic Cycles</style>

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<style face="normal" font="default" size="100%">Secret of the Southwest Solved by Talkative Tree Rings </style>

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<style face="normal" font="default" size="100%">Radio Talks on Science</style>

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<style face="normal" font="default" size="100%">Some Aspects of the Use of the Annual Rings in Trees in Climatic Study</style>

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<style face="normal" font="default" size="100%">Some Topographic and Climatic Characters in the Annual Ring of the Yellow Pines and Sequoias of the Southwest </style>