Coal Mines
收藏Iowa Open Data2024-06-15 更新2026-05-25 收录
下载链接：
https://data.iowa.gov/Surveys-Inventories/Coal-Mines/5k7p-jccd
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资源简介：
All historic coal mines with known locations.
应用场景：
创建时间：
2019-05-23
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