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<PAGE> EXHIBIT 23 CONSENT OF INDEPENDENT PUBLIC ACCOUNTANTS As independent public accountants, we hereby consent to the incorporation of our report included in this Form 10-K into the Company's previously filed Registration Statement File Nos. 033-63359, 333-64977 and 333-66419. /s/ Arthur Andersen LLP ------------------------------------ ARTHUR ANDERSEN LLP Minneapolis, Minnesota, September 28, 2000 (THIS SPACE INTENTIONALLY LEFT BLANK) 28
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