A landslide dam located in the Huanghe upriver was formed by two landslides, then formed the barrier lake which is core area of national natural protection now.
黄河上游某滑坡坝由两岸滑坡物质形成，进而形成了天然堰塞湖，附近区域现已成为国家自然保护区核心区。
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The concrete face slab as the water barrier of rockfill dam, it is very crucial in the overall design of rockfill dam with concrete face slab.