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UNITED STATES - AUGUST 16:  A fairgoers checks out the Butter Cow at the Iowa State Fair in Des Moines, Iowa.  The Butter Cow sculpture, made with over 600 pounds of butter, is celebrating it's 100th anniversary at the Fair. (Photo By Tom Williams/Roll Call)e

UNITED STATES - AUGUST 16: A fairgoers checks out the Butter Cow at the Iowa State Fair in Des Moines, Iowa. The Butter Cow sculpture, made with over 600 pounds of butter, is celebrating it's 100th anniversary at the Fair. (Photo By Tom Williams/Roll Call)e

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