Smaller Rivers Connect to Missouri River Flood
LINCOLN, Neb. (AP) -- Hundreds of tributaries that feed the congested Missouri River face a greater-than-normal flood risk this summer because of water levels that have kept smaller rivers from draining.
Flood experts and emergency officials say backed-up water channels in South Dakota and Missouri have already caused flooding at points where they meet the Missouri River. In Hamburg, Iowa, work crews are keeping close watch on the Nishnabotna River to their east, as they battle the Missouri River from the west.
Hydrologists say tributary backups generally do not stretch more than a few miles from the point where rivers meet. But with floodwaters expected to stay through at least August, forecasters say the lesser-known tributaries could pose a significant threat as well if Missouri River flows increase or an intense storm strikes.
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