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                                                                Exhibit 10.D.1


                      REVOLVING CREDIT AGREEMENT AMENDMENT

                         DATED AS OF SEPTEMBER 1, 1993

         THIS REVOLVING CREDIT AGREEMENT AMENDMENT (this "Amendment") is made
by and among PLUM CREEK TIMBER COMPANY, L.P., a Delaware limited partnership
(the "Borrower"), the banks (the "Banks") listed on the signature pages hereof,
and ABN AMRO BANK N.V., acting through its Seattle Branch, individually ("ABN
Bank or a "Bank") and as agent (the "Agent") for the Banks hereunder.

                                    RECITALS

         The Borrower, the Banks and ABN Bank entered into a Revolving Credit
Agreement dated as of May 1, 1993 ("Credit Agreement").

         The Borrower desires to purchase certain timberlands in the State of
Montana ("Champion Timberlands") from Champion International Corporation;

         The Borrower, in order to finance the purchase of the Champion
Timberlands, proposes to enter into a Revolving Credit Agreement with Bank of
America National Trust and Savings Association and the other lenders parties to
such facility ("Bank of America Revolving Credit Agreement");

         NOW, THEREFORE, the parties hereto agree that this Amendment shall
become effective after the signing hereof by the majority banks and as of the
date on which the Bank of America Revolving Credit Agreement becomes effective
(the "Effective Time") and that thereafter, all references to, and actions
taken in connection with, the Credit Agreement shall incorporate this Amendment
in its entirety.  All capitalized terms used in this Amendment and not
otherwise defined have the meanings ascribed to them in the Credit Agreement.

                                   ARTICLE I

                               CERTAIN AMENDMENTS

       SECTION 1.01       DEFINITIONS

                 (a)      The definition of "Designated Acres" in Section 1.01
of the Credit Agreement shall be amended by replacing the numeral "150,000" in
the first line thereof with "200,000."

                 (b)      The following definitions shall be added to Section
1.01 of the Credit Agreement:
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                          "Bank of America Revolving Credit Agreement" shall
                 mean the credit agreement to be entered into between the
                 Borrower, Bank of America National Trust and Savings
                 Association, as Administrative Agent, and certain other
                 lenders pursuant to which the lenders thereunder shall provide
                 credit facilities to the Borrower in an aggregate principal
                 amount not to exceed $260,000,000.

                          "Qualified Debt" shall mean, as to the Borrower, as
                 of any date of determination, without duplication, all
                 outstanding indebtedness of the Borrower for borrowed money,
                 including, without limitation, Debt represented by the
                 borrowings under the Credit Agreement, the Senior Notes and
                 the Bank of America Revolving Credit Agreement.

                          "Actual Percentage" shall mean, at any date of
                 determination, the percentage determined by dividing the
                 aggregate outstanding principal balance of the Senior Notes by
                 the aggregate outstanding principal balance of all Qualified
                 Debt, excluding any Notes but including the Senior Notes.

                          "Desired Percentage" shall mean thirty-eight percent
                 (38%), the percentage determined by dividing the aggregate
                 outstanding principal balance of the Senior Notes on September
                 1, 1993 by the aggregate outstanding principal balance of all
                 Qualified Debt, other than any Notes, outstanding upon the
                 drawdown of the Bank of America Revolving Credit Agreement.

                          "Columbia River Unit" means those certain
                 approximately 63,000 acres located in southwest Washington and
                 generally referred to on the date hereof as the Borrower's
                 "Columbia River Unit."

         SECTION 1.02     SECTION 5.02.6--MERGER AND SALE OF ASSETS

                 (a)      The existing clause (h) of Subsection 5.02.6 of the
         Credit Agreement shall be replaced by the following new clauses (h)
         and (i):

                          (h)  the Borrower and its Restricted Subsidiaries may
                 otherwise sell for cash properties that constitute the
                 Borrower's Columbia River Unit in an amount not less than the
                 fair value thereof as determined in good faith by the
                 Responsible Representatives, if and only if (i) immediately
                 after giving effect to such proposed sale, no condition or
                 event shall exist which constitutes an Event of Default or
                 Material Default, (ii) the net proceeds of any such sale are
                 either (x) subject to clause (v) of this clause (h) of
                 Subsection 5.02.6,





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                 distributed immediately upon receipt thereof to holders of
                 Qualified Debt other than the Notes and the Senior Notes for
                 application (either immediately or within 180 days) to
                 prepayment of such Qualified Debt, or (y) applied, within 180
                 days after such sale, to the purchase of productive assets in
                 the same line of business, (iii) in the event net proceeds of
                 any such sale are in excess of $25,000,000 and if not applied
                 immediately as provided in clause (ii) above, placed
                 immediately upon receipt thereof in an escrow or cash
                 collateral account or accounts for the purpose of application
                 in accordance with clause (ii) above, (iv) immediately after
                 giving effect to such sale (giving effect on a pro forma basis
                 to any proposed retirement of Qualified Debt out of the
                 proceeds thereof), the Borrower could incur $1 of additional
                 Funded Debt pursuant to clause (i) of Subsection 5.02.3, and
                 (v) the aggregate net proceeds of all sales pursuant to this
                 clause (h) of Subsection 5.02.6 during the year from the
                 funding of the first loan under the Bank of America Revolving
                 Credit Agreement to the first anniversary thereof that are
                 applied in repayment of Qualified Debt other than the Senior
                 Notes do not exceed $150,000,000, and

                          (i)  the Borrower and its Restricted Subsidiaries may
                 otherwise sell for cash properties (other than any Collateral
                 or any properties described in clause (h) of Subsection 5.02.6
                 above) in an amount not less than the fair value thereof as
                 determined in good faith by the Responsible Representatives if
                 and only if (i) immediately after giving effect to such
                 proposed sale, no condition or event shall exist which
                 constitutes an Event of Default or Material Default, (ii) the
                 net proceeds of any such sale (x) are applied first, if any
                 net proceeds have been used to repay Qualified Debt other than
                 the Notes and the Senior Notes in accordance with clause (h)
                 of Subsection 5.02.6, to the prepayment of the Senior Notes to
                 the extent necessary to cause their Actual Percentage to equal
                 the Desired Percentage, and second, pro rata (based on the
                 current outstanding principal of all Qualified Debt other than
                 the Notes) to the holders of all Qualified Debt other than the
                 Notes, or (y) are applied, within 180 days after such sale, to
                 the purchase of productive assets in the same line of
                 business, (iii) the net proceeds of any such sale are either
                 (x) distributed immediately upon receipt thereof to holders of
                 Qualified Debt in accordance with clause (ii)(x) above for
                 application within 180 days to repayment of such Qualified
                 Debt, or (y) if in excess of $25,000,000, placed immediately
                 upon receipt thereof in an escrow or cash collateral account
                 or accounts for the purpose of application in accordance with
                 subclause (b) above,





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                 and (d) immediately after giving effect to such sale (giving
                 effect on a pro forma basis to any proposed retirement of
                 Qualified Debt out of the proceeds thereof), the Borrower
                 could incur $1 of additional Funded Debt pursuant to clause
                 (i) of Subsection 5.02.3.

                 (b)      The existing clause (i) of Subsection 5.02.6 shall be
relabeled as subsection (j).

       SECTION 1.03       SECTION 5.02.7--HARVESTING RESTRICTIONS

                 Section 5.02.7 of the Credit Agreement shall be amended in its
entirety to read as follows:

                          5.02.7  HARVESTING RESTRICTIONS -- The Borrower will
                 not, and will not permit any Restricted Subsidiary to, in any
                 calendar year, harvest Timber on the Timberlands then owned by
                 the Borrower in excess of the amount set forth for such
                 calendar year in the following table:



                                                                    Maximum MMBF to be          
                 Calendar Year                                          Harvested               
                 -------------                                      ------------------          
                                                                                          
                 1989 (including harvest by                                                     
                       predecessor prior to the                                                 
                       closing) through 1991                                                    
                                                                         675 MMBF               
                 1992 and 1993                                           650 MMBF               
                 1994 through 1996                                       700 MMBF               
                 1997 through 2000                                       675 MMBF               
                 2001 through 2007                                       625 MMBF               
                             

                 plus, in each year, the amount, if any, by which the
                 cumulative amount set forth in the table above for the
                 preceding years exceeds the cumulative amount actually
                 harvested in such years;

                 unless the net cash proceeds from such excess harvest are
                 either (i) distributed to all holders of Qualified Debt other
                 than the Notes pro rata based upon outstanding principal
                 balances at the time of such distribution for application
                 (either immediately or within 180 days after such excess
                 harvest) to the repayment of such Qualified Debt other than
                 the Notes, or (ii) applied, within 180 days after any such
                 excess harvest, to purchase Timber (including Timber on
                 Timberlands purchased) having a fair value (in the good faith





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                 judgment of the Responsible Representatives) not less than the
                 fair value of the Timber subject to such excess harvest.

                                   ARTICLE II

                                 MISCELLANEOUS

       SECTION 2.01       CONTINUITY AND INTEGRATION OF AGREEMENT.

         The Credit Agreement, as affected by this Amendment, shall remain in
full force and effect and are hereby ratified and confirmed, and the Credit
Agreement and this Amendment shall be deemed to be and are construed as a
single agreement.

       SECTION 2.02       COUNTERPARTS.

         This Amendment may be executed in any number of counterparts and by
different parties hereto in separate counterparts, each of which when so
executed and delivered shall be deemed to be an original and all of which taken
together shall constitute but one and the same agreement.  Delivery to the
Agent of a counterpart executed by a Bank shall constitute delivery as such
counterpart to all of the Banks.

         IN WITNESS WHEREOF, the parties hereto have executed this Amendment to
be executed by their respective officers thereunto duly authorized as of the
date first above written.

                                     PLUM CREEK TIMBER COMPANY, L.P.
                                     By:  Plum Creek Management Company, L.P.,
                                          General Partner



                                     By:  
                                          -----------------------------------
                                          Name:    Rick R. Holley
                                          Title:   Vice President and Chief
                                                   Financial Officer





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                                     ABN AMRO Bank N.V., acting through its
                                     Seattle Branch as Agent



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                                     The Banks

                                     ABN AMRO Bank N.V., acting through its
                                     Seattle Branch


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                                     U.S. BANK OF WASHINGTON NATIONAL 
                                     ASSOCIATION


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                                     SEATTLE-FIRST NATIONAL BANK


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