Census_Block_Groups_1990
收藏OpenDataPhilly2026-01-27 更新2026-06-18 收录
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https://data-phl.opendata.arcgis.com/maps/1eed3c9b6d3c4561aaa62e1fc2dd81c4
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资源简介：
For matching and analyzing demographic data collected and compiled by the U.S. Census Bureau & American Community Survey(ACS) to the geography of Census Block Group boundaries within the City of Philadelphia.
创建时间：
2015-05-13
