Guam and the Northern Mariana Islands ESI: INDEX (Index Polygons)

This data set contains vector polygons representing the boundaries of all hardcopy cartographic products produced as part of the Environmental Sensitivity Index (ESI)...本数据集包含矢量多边形（vector polygons），用以表征作为环境敏感性指数（Environmental Sensitivity Index，ESI）项目所产出的全部纸质制图产品的边界范围。