Introduction. Flood recurrence --
Climatology of the Missouri River and Red River of the North basins --
Meteorological conditions in 2008-09 --
2009 spring floods. Missouri River basin: Missouri River subbasin, --
Little Missouri River subbasin, --
Subbasins of other tributaries to the Missouri River, --
James River subbasin ; --
Red River of the North basin: --
Red River of the North subbasin, --
Subbasins of other tributaries to the Red River of the North, --
Sheyenne River subbasin, --
Devil's Lake subbasin, --
Souris River subbasin ; --
2009 elevations and contents of selected reservoirs and lakes --
