Historical Woodland Density of the Conterminous United States, 1873 (Feature Layer)
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https://figshare.com/articles/dataset/Historical_Woodland_Density_of_the_Conterminous_United_States_1873_Feature_Layer_/25972348
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资源简介:
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.
This record was taken from the USDA Enterprise Data Inventory that feeds into the https://data.gov catalog. Data for this record includes the following resources: ISO-19139 metadata ArcGIS Hub Dataset ArcGIS GeoService CSV Shapefile GeoJSON KML For complete information, please visit https://data.gov.
创建时间:
2017-04-13



