1 EXHIBIT 23.1 CONSENT OF INDEPENDENT PUBLIC ACCOUNTANTS As independent public accountants, we hereby consent to the incorporation of our reports included or incorporated by reference in this Form 10-K, into the Company's previously filed Registration Statements on Form S-8, File Nos. 33-73624 and 33-51314, and Form S-3, File No. 33-47894. ARTHUR ANDERSEN LLP Salt Lake City, Utah November 18, 1996