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The Jiaolai Plain is a broad, marshy depression in China, stretching approximately 100 miles (160 km) from Laizhou Bay to Jiaozhou Bay. It is situated near Qingdao and extends westward into the North China Plain. The plain's surface is generally flat, with occasional bedrock-derived hills that have resisted erosion. This area is part of a larger depression that slopes eastward and is filled with loess and alluvial materials. The Jiaolai Plain is bordered by hill masses to the east-northeast and south-southwest.1

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