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Professional Paper 1650-E

Atlas of Relations Between Climatic Parameters and Distributions of Important Trees and Shrubs in North America— Ecoregions of North America

The methods and climatic data used in this atlas are described in the Introduction to the first volume of this series (U.S. Geological Survey Professional Paper 1650-A). If you have an internet connection you can access this volume at https://pubs.usgs.gov/pp/p1650-a/.

The figures included in the Graphical Displays and Histograms sections of this volume are in Adobe Acrobat format (PDF); the latest version of Adobe Reader or similar software is required to view it. Download the latest version of Adobe Reader, free of charge.

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