A bigger rocks are typically placed at the booom of

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Unformatted text preview: §༊  §༊  §༊  Constrict channel width to increase river depth for barge traffic during low flow Act to raise water level for any discharge Affect inferred recurrence interval for floods Why is it almost impossible to keep water from seeping under a levee and out onto a floodplain? a)  Bigger rocks are typically placed at the boOom of levees, and they are most permeable. b)  People building levees oHen forget to line the stream channel with plasQc. c)  Levees are built on floodplains marked everywhere by old permeable stream channels. d)  Piping (large tubes) are built...
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