File:Climatic Cycles and Tree-Growth Fig 25.jpg
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Summary
| Description |
English: Fig. 25.—Comparison between 57 north Europe trees (smoothed) and sunspot numbers. The trees are from England, Norway, Sweden, and north Germany. |
| Date | |
| Source | Climatic Cycles and Tree-Growth |
| Author | Andrew Ellicott Douglass |
Licensing
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This work is in the public domain in its country of origin and other countries and areas where the copyright term is the author's life plus 100 years or fewer.  You must also include a United States public domain tag to indicate why this work is in the public domain in the United States.
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| This file has been identified as being free of known restrictions under copyright law, including all related and neighboring rights. | |
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 16:23, 10 August 2012 | | 1,387 × 624 (67 KB) | Keith Edkins | == {{int:filedesc}} == {{Information |Description={{en|1=Fig. 25.—Comparison between 57 north Europe trees (smoothed) and sunspot numbers. The trees are from England, Norway, Sweden, and north Germany.}} |date=1919 |Source=''Climatic Cycles and Tree-... |
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