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Historical Woodland Density of the Conterminous United States, 1873 (Feature Layer)

Published by U.S. Forest Service | Department of Agriculture | Catalog Last Checked: August 01, 2026 at 05:00 AM | Dataset Last Updated: August 25, 2022
This dataset includes polygons with a minimum of 40 acres of woodlands per square mile as depicted in William H. Brewer�s 1873 map of woodland density and covers the conterminous United States. Each polygon has been labeled with the density category (1-5) depicted on the original map. This dataset was created by georeferencing a scanned version of the source map and by heads-up digitizing each woodland density polygon.

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