Dataset Direct Download Service (WFS): Low areas of the Charente-Maritime coastline (rating 4.50 m)
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Surface representation of NGF 4.50 m on part of the Charente-Maritime coastline. This representation is made on the basis of the RGE alti. It is constructed by horizontal projection.
滨海夏朗德省（Charente-Maritime）部分沿海区域的法国国家水准网（NGF）4.50米高程地表表面表示。该表面表示基于RGE高程数据集（RGE Alti）构建，并通过水平投影完成制作。
