Underground Railroad Sites
收藏Data Driven Detroit Open Data Portal2017-05-22 更新2026-04-11 收录
下载链接：
https://data-shisui-town.opendata.arcgis.com/maps/527fa24c35bb42f78fae44200cb990b0
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资源简介：
These sites were compiled through the National Network to Freedom-Underground Railroad Program, National Park Service, Harriet Tubman National Historic Site. These are sites that have been admitted formally into the program based on National level review.Metadata are available here.
创建时间：
2017-05-22
