Stormwater Headwalls (Savannah)
收藏Saginaw Area GIS Consortium2022-01-06 更新2026-06-05 收录
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https://data-sagis.opendata.arcgis.com/maps/a4f4040a5c244db59db4c7b679040a4d
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资源简介：
STORMWATER HEADWALL STRUCTURES ARE NORMALLY PLACED AT THE BEGINNING OR END OF AN OPEN DITCH OR DRAINAGE CANAL. THE PURPOSE OF THE HEADWALL IS TO PREVENT SOIL EROSION CAUSED BY HEAVY WATER FLOW OR BY SURFACE RUNOFF.
创建时间：
2020-07-23
