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Soil Conservation, Iowa
Soil commissioner elections.
Camp Dodge to practice soil saving.
Wind erosion on 2.7 million acres in Iowa.
Saving priceless topsoil.
500,000 acres damaged by winds in Iowa, conservation officials fear March t
Wants Iowans to stop the 'geologic clock'.
Wind carries topsoil away in Iowa areas, North-Central and Nothwest hit har
Soil erosion loss in West Iowa is up 22 percent, study shows.
Farmers plowing more land; soil conservationists worry.
Governor Ray signs soil bill.
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