Category:Climatic Cycles and Tree-growth

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Scans from: Climatic Cycles and Tree-growth: A Study of the Annual Rings of Trees in relation to Climate and Solar Activity by en:Andrew Ellicott Douglass, published by the Carnegie Institution of Washington, Washington, 1919

Media in category "Climatic Cycles and Tree-growth"

The following 62 files are in this category, out of 62 total.