Missouri River Channelization

Far and Wide: The Omaha-Council Bluffs Levees and the Flood of 2011

In 2011, an ocean of water poured down the Missouri River from the Dakotas and Montana.  The deluge represented the largest flood to strike the Missouri Valley since 1952.  At the peak of that earlier flood on April 18, 1952, the Missouri hurled 396,000 cubic feet per second past Omaha-Council Bluffs.  From Sioux City to the mouth of the Kaw River at Kansas City, the swollen river stretched from valley wall to valley wall – completely inundating the bottomlands.  A yellow, inland sea sank farmsteads, cropland, and rural roadways.  Because suburban housing developments and industrial parks did not yet exist in the river’s floodplain, high water devastated mostly agricultural land. Consequently, farmers bore the brunt of the financial losses associated with that flood.  Damage estimates ran as high as $179 million dollars (or $1.48 billion when adjusted for inflation). Continue Reading »

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Wetlands, Farmers, and Missouri River Floods

European-American agricultural settlement had a noticeable effect on the Missouri’s hydraulic regime.  During the steamboat era, roustabouts felled the valley’s forests to provide fuel for the hundreds of steamers that worked the river.  The loss of lowland timber caused the Missouri to rise higher, faster, and more frequently than it had in the years before the advent of steamboat traffic on the river.

Valley farmers also contributed to deforestation.  They knocked down the Missouri’s wooded fringes to acquire timber for log cabins, fence posts, roofing shingles, crude furniture, containers, and tool handles.  Settlers burned kindling in cooking and heating fires.  Not coincidentally, the most voluminous Missouri River floods in the nineteenth century occurred during the busiest years of the steamboat era.  Floods passed down the valley in 1844, 1857, 1858, 1862, 1867, 1872, 1874, 1875, 1878, and 1881.  Unknown to valley residents, or at least not acknowledged by them, they had to large extent brought down the floodwaters upon themselves. Continue Reading »

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    • "Dakota Country" will publish one of my articles in an upcoming issue. It examines the Army's past efforts at widening the Lower Missouri. 3 months ago

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