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                       SECURITIES AND EXCHANGE COMMISSION

                             WASHINGTON, D.C. 20549

                              --------------------

                                   SCHEDULE TO

                               (Amendment No. 31)

            TENDER OFFER STATEMENT UNDER SECTION 14(d)(1) OR 13(e)(1)
                     OF THE SECURITIES EXCHANGE ACT OF 1934


                           WILLAMETTE INDUSTRIES, INC.
                       (Name of Subject Company (Issuer))

                             COMPANY HOLDINGS, INC.
                              WEYERHAEUSER COMPANY
                      (Names of Filing Persons -- Offerors)

                     COMMON STOCK, PAR VALUE $0.50 PER SHARE
                         (Title of Class of Securities)

                                    969133107
                      (CUSIP Number of Class of Securities)

                              Robert A. Dowdy, Esq.
                              Weyerhaeuser Company
                          Federal Way, Washington 98063
                            Telephone: (253) 924-2345

       (Name, Address and Telephone Number of Person Authorized to Receive
             Notices and Communications on Behalf of Filing Persons)

                                    Copy to:

                               Richard Hall, Esq.
                             Cravath, Swaine & Moore
                                825 Eighth Avenue
                            New York, New York 10019
                            Telephone: (212) 474-1000

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                                   SCHEDULE TO

          This Statement amends and supplements the Tender Offer Statement on
Schedule TO filed with the Securities and Exchange Commission on November 29,
2000 (as previously amended, the "Schedule TO"), relating to the offer by
Company Holdings, Inc., a Washington corporation (the "Purchaser") and a wholly
owned subsidiary of Weyerhaeuser Company, a Washington corporation
("Weyerhaeuser" or "Parent"), to purchase (1) all outstanding shares ("Shares")
of common stock, par value $0.50 per share, of Willamette Industries, Inc., an
Oregon corporation ("Willamette" or the "Company"), and (2) unless and until
validly redeemed by the Board of Directors of Willamette, the related rights to
purchase shares of Series B Junior Participating Preferred Stock, $0.50 par
value per share, of Willamette (the "Rights") issued pursuant to the Rights
Agreement, dated as of February 25, 2000 by and between Willamette and Mellon
Investor Services LLC (f/k/a ChaseMellon Shareholder Services, L.L.C.), as
Rights Agent, at a price of $50.00 per Share, net to the seller in cash, without
interest, upon the terms and subject to the conditions set forth in the Offer to
Purchase (the "Offer to Purchase"), dated November 29, 2000, the Supplement
thereto dated May 7, 2001 (the "Supplement") and in the related revised Letter
of Transmittal (which, together with any supplements or amendments, collectively
constitute the "Offer"). Unless the context otherwise requires, all references
to the Shares shall be deemed to include the associated Rights, and all
references to the Rights shall be deemed to include the benefits that may inure
to holders of Rights pursuant to the Rights Agreement.

          Capitalized terms used herein and not defined herein have the
respective meanings assigned such terms in the Offer to Purchase, the Supplement
and the Schedule TO.

ITEM 11.  ADDITIONAL INFORMATION.

          On May 8, 2001, Mr. Rogel telephoned Mr. Swindells to discuss the
increase in the Offer Price and Weyerhaeuser's desire to negotiate a business
combination transaction with Willamette. Mr. Swindells stated that Willamette was
not for sale and that the Willamette Board would review the revised Offer later
that day.





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                                   SIGNATURES

          After due inquiry and to the best of their knowledge and belief, the
undersigned hereby certify that the information set forth in this statement is
true, complete and correct.

                                        COMPANY HOLDINGS, INC.,

                                          by

                                                /s/ STEVEN R. ROGEL
                                             -----------------------------------
                                             Name:  Steven R. Rogel
                                             Title: President



                                        WEYERHAEUSER COMPANY,

                                          by

                                                /s/ STEVEN R. ROGEL
                                             -----------------------------------
                                            Name:  Steven R. Rogel
                                            Title: President and Chief
                                                   Executive Officer


          Dated: May 8, 2001





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