EXHIBIT 23

                   CONSENT OF INDEPENDENT PUBLIC ACCOUNTANTS

As independent public accountants, we hereby consent to the incorporation of our
report  dated  April 30,  1998  included  in this Form 10-K/A for the year ended
March 31, 1998, into the Company's  previously filed Registration  Statements on
Form  S-3,  File  Nos.  33-80679,   333-18933,   333-30955  and  333-39421,  and
Registration Statements on Form S-8, File Nos. 33-94400,  33-56454, 33-42156 and
333-37017.

   /S/ ARTHUR ANDERSEN LLP

Portland, Oregon
August 5, 1998