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		山东蒙山峨峪口砾石堤的成因类型和泥石流发生历史
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			History of debris flow and genetic type of boulder levee in Eyukou, Mengshan Mountains, Shandong Province
			 
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		 图5. 1991年6月前后遥感影像对比和峨峪口砾石堤下游洪流形成的巨石  | 
	
Fig.5. Comparison of remote sense images of 1990 and 1991, boulder formed by floods in the downstream of Eyukou Levee  | 
	
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