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December 4, 2011
NEWS TIP HOTLINE NO. 344-6385
mankatofreepress.com
36 pages
IN THE VALLEY, B1
IN SPORTS, C1
IN NEWS, A8
SHOPPING WITH A HERO
GOPHERS ICE MAVERICKS
THE RISKS OF HIGH STANDARDS
CNHI
Newspaper
of the Year
A SPECIAL REPORT
Cain out of GOP race
WASHING AWAY Studies pin river troubles on farm drainage By Tim Krohn tkrohn@mankatofreepress.com
S
From
amber waves
The Associated Press
eth Greenwood has to watched parts of Seven Mile Creek County Park between Mankato and St. Peter disappear. “The Minnesota River is eating the bank away,” said The environmental threat the Nicollet County public of the Minnesota River works director. “It’s really bad Part 1 of a 5 on that bend on the river. Five to 15 feet of bank has gone just this year.” Much of that sediment will likely end up in the Mississippi River and settle to the bottom of Lake Pepin. While intense efforts to improve the Minnesota River have gone on for 20 years, now there is a major convergence of better data and mounting political pressure that is bringing to a head problems of suspended solids in the river. The issue is creating growing friction between farmers and environmentalists and residents on Lake Pepin who are suffering from the Minnesota’s pollution. The millions of tons of sediment getting into the river is emerging as the keystone issue facing the river basin. The impacts on the Mississippi, Lake Pepin and the river basin’s contribution to the Gulf “dead zone” are sweeping and the potential solutions expensive, controversial and complicated, considering the Minnesota watershed covers 16,000 square miles. Decades of scientific research — bolstered by new techniques such as using radioactive isotopes to trace where dirt particles originated — offer a few major findings: ■ The amount of sediment getting into the river has increased dramatically — tenfold its natural rate by some estimates. ■ Two-thirds or more of the river’s sediment load comes from eroding streambanks and bluffs.
John Cross
Please see TROUBLES, Page A6
Seth Greenwood, Nicollet County public works director, surveys Minnesota River bank erosion along Seven Mile Creek County Park. About 15 feet of bank were swept into the river during spring flooding.
muddy waters
ATLANTA — A defiant Herman Cain suspended his faltering bid for the Republican presidential nomination Saturday amid a drumbeat of sexual misconduct allegations against him, throwing his staunchly conservative supporters up for grabs with just one month to go before the lead-off caucuses in Iowa. Cain condemned the accusations as “false and unproven” but said they had been hurtful to his family, particularly his wife, Gloria, and were drowning out his ability to deliver his message. His wife stood behind him on the stage, smiling and waving as the crowd chanted her name. “So as of today, with a lot of prayer and soul-searching, I am suspending my presidential campaign because of the continued distractions and the continued hurt caused on me and
Please see CAIN, Page A10
Farming flourishes with drainage
Radioactive particles used to track sediment
By Tim Krohn
By Tim Krohn
tkrohn@mankatofreepress.com
tkrohn@mankatofreepress.com
Call it “CSI Minnesota River.” They’re not crime fighters, but top researchers. Their job is to look for the sources of sediment that annually flows into the Minnesota River and then into the Mississippi. How much comes from the millions of acres of farm land in the watershed and how much from streambanks and ravines? In the recent past, quantifying where sediment was coming from was very diffiCourtesy of Cottonwood County Historical Society cult, if not impossible. Workers hand dig trenches to install cement tile lines in a field Please see FARMING, Page A6 near Amboy in about 1900. Please see SEDIMENT, Page A7
Farm drainage is a relatively straightforward process. Farmers bury a series of underground tile lines in their fields with the tile emptying into the open ditches that people are accustomed to seeing as they drive through the countryside. Those ditches carry the water to lakes, streams and rivers. The Minnesota River ends up with much of that water — the Minnesota River Basin drains 10 million acres of land, or about 20 percent of the state’s landscape. Tile drainage was introduced to the United States in 1838 by a Scottish immigrant who labored to lay 72 miles of clay tile on 320 acres of land on his New York farm. The results were phenomenal, jumping his wheat yield form 12 bushels per acre to 60 bushels. Farming moved slowly to the Midwest because of the lack of well-drained land, and Congress and the states in
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WEATHER, PAGE C10
Peeking Mankato, Minnesota
A little bit of sun. High 30. Low 14.
Volume 125, No. 245
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Cutting deficits easier said than done The Associated Press WASHINGTON — The coming year-end spending spree after so much debate over budget deficits shows just how hard it is to stem the government’s flow of red ink. Lawmakers are poised to spend $120 billion or so to renew a Social Security tax cut that averaged just under $1,000 per household this year. They’re ready to commit up to $50 billion more to continue unemployment benefits to people out of work for more than half a year. And doctors have no reason to doubt they won’t be
Please see DEFICITS, Page A8