75' - Thousands of acres of land flood between and near the levees.  Some topping of levees may possible downstream from Columbia.<br><br>70' - Lowland flooding will continue to slowly recede, but the river will remain above flood stage for several more days.<br><br>67' - The Columbia Lock and Dam recreational area floods and must be closed. In addition, expect moderate to severe flooding of lowland river bottoms between and near levee systems.<br><br>65' - The riverton recreational area floods and must be closed. In addition, expect minor flooding of lowland river bottoms.<br><br>