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File name:		 05-38
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Title: SCOUR MARKS INDICATE FLOOD HEIGHT
Caption: Floodwaters of the San Gabriel River in Los Angeles County, California, removed bark from the roots and lower trunk of these trees. Hydrologists measured the elevation of the top of the scour marks to determine the height of the 2005 flood on this segment of the river. (Courtesy of T. Carpenter)
Keywords: streams, rivers, water, floods, flooding