EnviroAtlas - San Diego, CA - Census Block Groups

This EnviroAtlas dataset is the base layer for the San Diego, CA EnviroAtlas area. The block groups are from the US Census Bureau and are included/excluded based on...本环境地图集（EnviroAtlas）数据集为加利福尼亚州圣迭戈市环境地图集（EnviroAtlas）研究区域的基础图层。其街区组（block groups）数据源自美国人口普查局，并将根据……进行纳入或排除。