Shapefile of census tract boundaries in Chicago in 1920
收藏Dryad2016-01-01 更新2026-04-13 收录
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http://datadryad.org/resource/doi:10.5061/dryad.48nv3/3
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资源简介：
Shapefile of census tract boundaries in Chicago in 1920. File included in zip file include IL_tract_a.dbf, IL_tract_a.prj, IL_tract_a.sbn, IL_tract_a.sbx, IL_tract_a.shp, IL_tract_a.shp.xml, IL_tract_a.shx
创建时间：
2016-01-01
