PHMSA HazMat Regions
收藏US Department of Transportation Open Data Portal2026-04-04 更新2026-03-28 收录
下载链接：
https://data-usdot.opendata.arcgis.com/maps/f76cb8e3bf294a75b348c6a02508a319
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资源简介：
Use this dataset to depict PHMSA's Office of Hazardous Materials Safety regional boundaries, or to identify which states are associated with each region.
创建时间：
2024-07-11
