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                                  SCHEDULE 13D
                    UNDER THE SECURITIES EXCHANGE ACT OF 1934
                               (AMENDMENT NO. 4)*

                            Korn/Ferry International

                                (Name of Issuer)

                          Common Stock, $.01 par value
                         (Title of Class of Securities)

                                    500643200
                                 (CUSIP Number)

                               SPO Partners & Co.
                         591 Redwood Highway, Suite 3215
                          Mill Valley, California 94941
                                 (415) 383-6600

                                 with a copy to:

                                Alison S. Ressler
                             Sullivan & Cromwell LLP
                             1888 Century Park East
                              Los Angeles, CA 90067
                                 (310) 712-6600
           (Name, Address and Telephone Number of Person Authorized to
                       Receive Notices and Communications)

                                  May 16, 2003
             (Date of Event which Requires Filing of this Statement)

If the filing person has previously  filed a statement on Schedule 13G to report
the acquisition is the subject of this Schedule 13D, and is filing this schedule
because  of  ss.ss.  240.13d-1(e),   240.13d-1(f)  or  240.13d-1(g),  check  the
following box |_|.

Check the following box if a fee is being paid with the statement. |_|

*The  remainder of this cover page shall be filled out for a reporting  person's
initial filing on this form with respect to the subject class of securities, and
for  any  subsequent   amendment   containing   information  which  would  alter
disclosures provided in a prior cover page.

The information required on the remainder of this cover page shall not be deemed
to be "filed" for the purpose of Section 18 of the  Securities  Exchange  Act of
1934 ("Act") or otherwise  subject to the liabilities of that section of the Act
but  shall be  subject  to all other  provisions  of the Act  (however,  see the
Notes).



                                  SCHEDULE 13D

---------------------                                      ---------------------
CUSIP No. 500643200                                         PAGE 2 OF 14 PAGES
---------------------                                      ---------------------
--------------------------------------------------------------------------------
 1.  NAME OF REPORTING PERSON:
          SPO Partners II, L.P.
--------------------------------------------------------------------------------
 2.  CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP:                  (a)  [ ]
                                                                        (b)  [X]
--------------------------------------------------------------------------------
 3.  SEC USE ONLY

--------------------------------------------------------------------------------
 4.  SOURCE OF FUNDS:
          WC
--------------------------------------------------------------------------------
 5.  CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO
     ITEMS 2(e) OR 2(f):                                                     [ ]
--------------------------------------------------------------------------------
 6.  CITIZENSHIP OR PLACE OF ORGANIZATION:
          Delaware
--------------------------------------------------------------------------------
                 7.  SOLE VOTING POWER:
  NUMBER OF              3,681,000(1)
    SHARES       ---------------------------------------------------------------
BENEFICIALLY     8.  SHARED VOTING POWER:
  OWNED BY               -0-
    EACH         ---------------------------------------------------------------
 REPORTING       9.  SOLE DISPOSITIVE POWER:
   PERSON                3,681,000(1)
    WITH         ---------------------------------------------------------------
                 10. SHARED DISPOSITIVE POWER:
                         -0-
--------------------------------------------------------------------------------
11.  AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON:
          3,681,000(1)
--------------------------------------------------------------------------------
12.  CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES:  [ ]

--------------------------------------------------------------------------------
13.  PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11):
          9.8%
--------------------------------------------------------------------------------
14.  TYPE OF REPORTING PERSON:
          PN
--------------------------------------------------------------------------------

(1)  Power is exercised through its sole general partner, SPO Advisory Partners,
     L.P.



                                  SCHEDULE 13D

---------------------                                      ---------------------
CUSIP No. 500643200                                         PAGE 3 OF 14 PAGES
---------------------                                      ---------------------
--------------------------------------------------------------------------------
 1.  NAME OF REPORTING PERSON:
          SPO Advisory Partners, L.P.
--------------------------------------------------------------------------------
 2.  CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP:                  (a)  [ ]
                                                                        (b)  [X]
--------------------------------------------------------------------------------
 3.  SEC USE ONLY

--------------------------------------------------------------------------------
 4.  SOURCE OF FUNDS:
          Not Applicable
--------------------------------------------------------------------------------
 5.  CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO
     ITEMS 2(e) OR 2(f):                                                     [ ]
--------------------------------------------------------------------------------
 6.  CITIZENSHIP OR PLACE OF ORGANIZATION:
          Delaware
--------------------------------------------------------------------------------
                 7.  SOLE VOTING POWER:
  NUMBER OF              3,681,000(1)(2)
    SHARES       ---------------------------------------------------------------
BENEFICIALLY     8.  SHARED VOTING POWER:
  OWNED BY               -0-
    EACH         ---------------------------------------------------------------
 REPORTING       9.  SOLE DISPOSITIVE POWER:
   PERSON                3,681,000(1)(2)
    WITH         ---------------------------------------------------------------
                 10. SHARED DISPOSITIVE POWER:
                         -0-
--------------------------------------------------------------------------------
11.  AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON:
          3,681,000(1)(2)
--------------------------------------------------------------------------------
12.  CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES:  [ ]

--------------------------------------------------------------------------------
13.  PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11):
          9.8%
--------------------------------------------------------------------------------
14.  TYPE OF REPORTING PERSON:
          PN
--------------------------------------------------------------------------------

(1)  Solely in its capacity as the sole general partner of SPO Partners II, L.P.
(2)  Power is exercised through its sole general partner, SPO Advisory Corp.



                                  SCHEDULE 13D

---------------------                                      ---------------------
CUSIP No. 500643200                                         PAGE 4 OF 14 PAGES
---------------------                                      ---------------------
--------------------------------------------------------------------------------
 1.  NAME OF REPORTING PERSON:
          San Francisco Partners, L.P.
--------------------------------------------------------------------------------
 2.  CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP:                  (a)  [ ]
                                                                        (b)  [X]
--------------------------------------------------------------------------------
 3.  SEC USE ONLY

--------------------------------------------------------------------------------
 4.  SOURCE OF FUNDS:
          WC
--------------------------------------------------------------------------------
 5.  CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO
     ITEMS 2(e) OR 2(f):                                                     [ ]
--------------------------------------------------------------------------------
 6.  CITIZENSHIP OR PLACE OF ORGANIZATION:
          California
--------------------------------------------------------------------------------
                 7.  SOLE VOTING POWER:
  NUMBER OF              409,200(1)
    SHARES       ---------------------------------------------------------------
BENEFICIALLY     8.  SHARED VOTING POWER:
  OWNED BY               -0-
    EACH         ---------------------------------------------------------------
 REPORTING       9.  SOLE DISPOSITIVE POWER:
   PERSON                409,200(1)
    WITH         ---------------------------------------------------------------
                 10. SHARED DISPOSITIVE POWER:
                         -0-
--------------------------------------------------------------------------------
11.  AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON:
          409,200(1)
--------------------------------------------------------------------------------
12.  CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES:  [ ]

--------------------------------------------------------------------------------
13.  PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11):
          1.1%
--------------------------------------------------------------------------------
14.  TYPE OF REPORTING PERSON:
          PN
--------------------------------------------------------------------------------

(1)  Power is exercised through its sole general partner, SF Advisory Partners,
     L.P.



                                  SCHEDULE 13D

---------------------                                      ---------------------
CUSIP No. 500643200                                         PAGE 5 OF 14 PAGES
---------------------                                      ---------------------
--------------------------------------------------------------------------------
 1.  NAME OF REPORTING PERSON:
          SF Advisory Partners, L.P.
--------------------------------------------------------------------------------
 2.  CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP:                  (a)  [ ]
                                                                        (b)  [X]
--------------------------------------------------------------------------------
 3.  SEC USE ONLY

--------------------------------------------------------------------------------
 4.  SOURCE OF FUNDS:
          Not Applicable
--------------------------------------------------------------------------------
 5.  CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO
     ITEMS 2(e) OR 2(f):                                                     [ ]
--------------------------------------------------------------------------------
 6.  CITIZENSHIP OR PLACE OF ORGANIZATION:
          Delaware
--------------------------------------------------------------------------------
                 7.  SOLE VOTING POWER:
  NUMBER OF              409,200(1)(2)
    SHARES       ---------------------------------------------------------------
BENEFICIALLY     8.  SHARED VOTING POWER:
  OWNED BY               -0-
    EACH         ---------------------------------------------------------------
 REPORTING       9.  SOLE DISPOSITIVE POWER:
   PERSON                409,200(1)(2)
    WITH         ---------------------------------------------------------------
                 10. SHARED DISPOSITIVE POWER:
                         -0-
--------------------------------------------------------------------------------
11.  AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON:
          409,200(1)(2)
--------------------------------------------------------------------------------
12.  CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES:  [ ]

--------------------------------------------------------------------------------
13.  PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11):
          1.1%
--------------------------------------------------------------------------------
14.  TYPE OF REPORTING PERSON:
          PN
--------------------------------------------------------------------------------

(1)  Solely in its capacity as the sole general partner of San Francisco
     Partners, L.P.
(2)  Power is exercised through its sole general partner, SPO Advisory Corp.



                                  SCHEDULE 13D

---------------------                                      ---------------------
CUSIP No. 500643200                                         PAGE 6 OF 14 PAGES
---------------------                                      ---------------------
--------------------------------------------------------------------------------
 1.  NAME OF REPORTING PERSON:
          SPO Advisory Corp.
--------------------------------------------------------------------------------
 2.  CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP:                  (a)  [ ]
                                                                        (b)  [X]
--------------------------------------------------------------------------------
 3.  SEC USE ONLY

--------------------------------------------------------------------------------
 4.  SOURCE OF FUNDS:
          Not Applicable
--------------------------------------------------------------------------------
 5.  CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO
     ITEMS 2(e) OR 2(f):                                                     [ ]
--------------------------------------------------------------------------------
 6.  CITIZENSHIP OR PLACE OF ORGANIZATION:
          Delaware
--------------------------------------------------------------------------------
                 7.  SOLE VOTING POWER:
  NUMBER OF              4,090,200(1)(2)
    SHARES       ---------------------------------------------------------------
BENEFICIALLY     8.  SHARED VOTING POWER:
  OWNED BY               -0-
    EACH         ---------------------------------------------------------------
 REPORTING       9.  SOLE DISPOSITIVE POWER:
   PERSON                4,090,200(1)(2)
    WITH         ---------------------------------------------------------------
                 10. SHARED DISPOSITIVE POWER:
                         -0-
--------------------------------------------------------------------------------
11.  AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON:
          4,090,200(1)(2)
--------------------------------------------------------------------------------
12.  CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES:  [ ]

--------------------------------------------------------------------------------
13.  PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11):
          10.9%
--------------------------------------------------------------------------------
14.  TYPE OF REPORTING PERSON:
          CO
--------------------------------------------------------------------------------

(1)  Solely in its capacity as the sole general partner of SPO Advisory
     Partners, L.P. with respect to 3,681,000 of such shares; and solely in its
     capacity as the sole general partner of SF Advisory Partners, L.P. with
     respect to 409,200 of such shares.
(2)  Power is exercised through its three controlling persons, John H. Scully,
     William E. Oberndorf and William J. Patterson.



                                  SCHEDULE 13D

---------------------                                      ---------------------
CUSIP No. 500643200                                         PAGE 7 OF 14 PAGES
---------------------                                      ---------------------
--------------------------------------------------------------------------------
 1.  NAME OF REPORTING PERSON:
          John H. Scully
--------------------------------------------------------------------------------
 2.  CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP:                  (a)  [ ]
                                                                        (b)  [X]
--------------------------------------------------------------------------------
 3.  SEC USE ONLY

--------------------------------------------------------------------------------
 4.  SOURCE OF FUNDS:
          Not Applicable
--------------------------------------------------------------------------------
 5.  CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO
     ITEMS 2(e) OR 2(f):                                                     [ ]
--------------------------------------------------------------------------------
 6.  CITIZENSHIP OR PLACE OF ORGANIZATION:
          USA
--------------------------------------------------------------------------------
                 7.  SOLE VOTING POWER:
  NUMBER OF              -0-
    SHARES       ---------------------------------------------------------------
BENEFICIALLY     8.  SHARED VOTING POWER:
  OWNED BY               4,090,200(1)
    EACH         ---------------------------------------------------------------
 REPORTING       9.  SOLE DISPOSITIVE POWER:
   PERSON                -0-
    WITH         ---------------------------------------------------------------
                 10. SHARED DISPOSITIVE POWER:
                         4,090,200(1)
--------------------------------------------------------------------------------
11.  AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON:
          4,090,200(1)
--------------------------------------------------------------------------------
12.  CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES:  [ ]

--------------------------------------------------------------------------------
13.  PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11):
          10.9%
--------------------------------------------------------------------------------
14.  TYPE OF REPORTING PERSON:
          IN
--------------------------------------------------------------------------------

(1)  These 4,090,200 shares are beneficially owned solely in his capacity as one
     of three controlling persons of SPO Advisory Corp.



                                  SCHEDULE 13D

---------------------                                      ---------------------
CUSIP No. 500643200                                         PAGE 8 OF 14 PAGES
---------------------                                      ---------------------
--------------------------------------------------------------------------------
 1.  NAME OF REPORTING PERSON:
          William E. Oberndorf
--------------------------------------------------------------------------------
 2.  CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP:                  (a)  [ ]
                                                                        (b)  [X]
--------------------------------------------------------------------------------
 3.  SEC USE ONLY

--------------------------------------------------------------------------------
 4.  SOURCE OF FUNDS:
          Not Applicable
--------------------------------------------------------------------------------
 5.  CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO
     ITEMS 2(e) OR 2(f):                                                     [ ]
--------------------------------------------------------------------------------
 6.  CITIZENSHIP OR PLACE OF ORGANIZATION:
          USA
--------------------------------------------------------------------------------
                 7.  SOLE VOTING POWER:
  NUMBER OF              -0-
    SHARES       ---------------------------------------------------------------
BENEFICIALLY     8.  SHARED VOTING POWER:
  OWNED BY               4,090,200(1)
    EACH         ---------------------------------------------------------------
 REPORTING       9.  SOLE DISPOSITIVE POWER:
   PERSON                -0-
    WITH         ---------------------------------------------------------------
                 10. SHARED DISPOSITIVE POWER:
                         4,090,200(1)
--------------------------------------------------------------------------------
11.  AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON:
          4,090,200(1)
--------------------------------------------------------------------------------
12.  CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES:  [ ]

--------------------------------------------------------------------------------
13.  PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11):
          10.9%
--------------------------------------------------------------------------------
14.  TYPE OF REPORTING PERSON:
          IN
--------------------------------------------------------------------------------

(1)  These 4,090,200 shares are beneficially owned solely in his capacity as one
     of three controlling persons of SPO Advisory Corp.



                                  SCHEDULE 13D

---------------------                                      ---------------------
CUSIP No. 500643200                                         PAGE 9 OF 14 PAGES
---------------------                                      ---------------------
--------------------------------------------------------------------------------
 1.  NAME OF REPORTING PERSON:
          William J. Patterson
--------------------------------------------------------------------------------
 2.  CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP:                  (a)  [ ]
                                                                        (b)  [X]
--------------------------------------------------------------------------------
 3.  SEC USE ONLY

--------------------------------------------------------------------------------
 4.  SOURCE OF FUNDS:
          Not Applicable
--------------------------------------------------------------------------------
 5.  CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO
     ITEMS 2(e) OR 2(f):                                                     [ ]
--------------------------------------------------------------------------------
 6.  CITIZENSHIP OR PLACE OF ORGANIZATION:
          USA
--------------------------------------------------------------------------------
                 7.  SOLE VOTING POWER:
  NUMBER OF              -0-
    SHARES       ---------------------------------------------------------------
BENEFICIALLY     8.  SHARED VOTING POWER:
  OWNED BY               4,090,200(1)
    EACH         ---------------------------------------------------------------
 REPORTING       9.  SOLE DISPOSITIVE POWER:
   PERSON                -0-
    WITH         ---------------------------------------------------------------
                 10. SHARED DISPOSITIVE POWER:
                         4,090,200(1)
--------------------------------------------------------------------------------
11.  AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON:
          4,090,200(1)
--------------------------------------------------------------------------------
12.  CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES:  [ ]

--------------------------------------------------------------------------------
13.  PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11):
          10.9%
--------------------------------------------------------------------------------
14.  TYPE OF REPORTING PERSON:
          IN
--------------------------------------------------------------------------------

(1)  These 4,090,200 shares are beneficially owned solely in his capacity as one
     of three controlling persons of SPO Advisory Corp.




                                                             Page 10 of 14 Pages


         This Amendment No. 4 amends the Schedule 13D (the "Original 13D") filed
with the  Securities  and Exchange  Commission  ("SEC") on December 19, 2002, as
amended February 19, 2003,  March 10, 2003 and April 10, 2003.  Unless otherwise
stated herein,  the Original 13D, as previously  amended,  remains in full force
and effect.  Terms used herein and not defined  herein  shall have the  meanings
ascribed thereto in the Original 13D.

Item 3.  Source and Amount of Funds or Other Consideration.
         -------------------------------------------------

         Item 3 is hereby amended and restated in its entirety as follows:

         The source and amount of the funds used or to be used by the  Reporting
Persons to purchase Shares are as follows:



NAME                        AMOUNT OF FUNDS              SOURCE OF FUNDS
----                        ---------------              ---------------
SPO                         $ 24,808,081                 Contributions from
                                                         Partners

SPO Advisory Partners       Not Applicable               Not Applicable

SFP                         $  2,807,759                 Contributions from
                                                         Partners

SPO Advisory Partners       Not Applicable               Not Applicable

SPO Advisory Corp.          Not Applicable               Not Applicable

JHS                         Not Applicable               Not Applicable

WEO                         Not Applicable               Not Applicable

WJP                         Not Applicable               Not Applicable






                                                             Page 11 of 14 Pages


Item 5.  Interest in Securities of the Issuer.
         ------------------------------------

         Item 5 is hereby amended and restated in its entirety as follows:

(a) Percentage  interest  calculations  for each Reporting Person are based upon
the  Issuer  having  37,538,107  total  outstanding  shares of  common  stock as
reported on the Issuer's 10-Q filed with the Securities  Exchange  Commission on
March 17, 2003.

         SPO
         ---

         The aggregate number of Shares that SPO owns beneficially,  pursuant to
Rule 13d-3 of the Act, is 3,681,000 Shares, which constitutes approximately 9.8%
of the outstanding Shares.

         SPO Advisory Partners
         ---------------------

         Because  of its  position  as the  sole  general  partner  of SPO,  SPO
Advisory  Partners  may,  pursuant to Rule 13d-3 of the Act, be deemed to be the
beneficial owner of 3,681,000 Shares,  which constitutes  approximately  9.8% of
the outstanding Shares.

         SFP
         ---

         The aggregate number of Shares that SFP owns beneficially,  pursuant to
Rule 13d-3 of the Act, is 409,200 Shares,  which constitutes  approximately 1.1%
of the outstanding Shares.

         SF Advisory Partners
         --------------------

         Because of its position as the sole general partner of SFP, SF Advisory
Partners may,  pursuant to Rule 13d-3 of the Act, be deemed to be the beneficial
owner of 409,200 Shares, which constitutes approximately 1.1% of the outstanding
Shares.

         SPO Advisory Corp.
         ------------------

         Because of its positions as the general partner of each of SPO Advisory
Partners and SF Advisory  Partners,  SPO Advisory  Corp.  may,  pursuant to Rule
13d-3 of the Act, be deemed to be the  beneficial  owner of 4,090,200  Shares in
the aggregate, which constitutes approximately 10.9% of the outstanding Shares.

         JHS
         ---

         Because of his position as a control person of SPO Advisory Corp.,  JHS
may,  pursuant to Rule 13d-3 of the Act, be deemed to be the beneficial owner of
4,090,200 Shares in the aggregate,  which constitutes approximately 10.9% of the
outstanding Shares.

         WEO
         ---

         Because of his position as a control person of SPO Advisory Corp.,  WEO
may,  pursuant to Rule 13d-3 of the Act, be deemed to be the beneficial owner of
4,090,200 Shares in the aggregate,  which constitutes approximately 10.9% of the
outstanding Shares.




                                                             Page 12 of 14 Pages


         WJP
         ---

         Because of his position as a control person of SPO Advisory Corp.,  WJP
may,  pursuant to Rule 13d-3 of the Act, be deemed to be the beneficial owner of
4,090,200 Shares in the aggregate,  which constitutes approximately 10.9% of the
outstanding Shares.

         To the best of the  knowledge of each of the Reporting  Persons,  other
than as set  forth  above,  none of the  persons  named in Item 2 hereof  is the
beneficial owner of any Shares.

         (b)

         SPO
         ---

         Acting through its sole general partner, SPO has the sole power to vote
or to direct the vote and to dispose or to direct the  disposition  of 3,681,000
Shares.

         SPO Advisory Partners
         ---------------------

         Acting through its sole general partner and in its capacity as the sole
general  partner of SPO, SPO Advisory  Partners has the sole power to vote or to
direct the vote and to dispose or to direct the disposition of 3,681,000  Shares
held by SPO.

         SFP
         ---

         Acting through its sole general partner, SFP has the sole power to vote
or to direct the vote and to dispose  or to direct  the  disposition  of 409,200
Shares.

         SF Advisory Partners
         --------------------

         Acting through its sole general partner and in its capacity as the sole
general  partner of SFP, SF Advisory  Partners  has the sole power to vote or to
direct the vote and to dispose or to direct the  disposition  of 409,200  Shares
held by SFP.

         SPO Advisory Corp.
         ------------------

         Acting  through its  controlling  persons and in its  capacities as the
sole general partner of each of SPO Advisory Partners and SF Advisory  Partners,
SPO  Advisory  Corp.  has the sole  power to vote or to  direct  the vote and to
dispose or to direct the disposition of 4,090,200  Shares held by SPO and SFP in
the aggregate.

         JHS
         ---

         As one of three controlling persons of SPO Advisory Corp., which is the
sole general partner of each of SPO Advisory Partners and SF Advisory  Partners,
JHS may be deemed to have shared power with WEO and WJP to vote or to direct the
vote and to dispose or to direct the disposition of 4,090,200 Shares held by SPO
and SFP in the aggregate.




                                                             Page 13 of 14 Pages


         WEO
         ---

         As one of three controlling persons of SPO Advisory Corp., which is the
sole general partner of each of SPO Advisory Partners and SF Advisory  Partners,
WEO may be deemed to have shared power with JHS and WJP to vote or to direct the
vote and to dispose or to direct the disposition of 4,090,200 Shares held by SPO
and SFP in the aggregate.

         WJP
         ---

         As one of the controlling  persons of SPO Advisory Corp.,  which is the
sole general partner of each of SPO Advisory Partners and SF Advisory  Partners,
WJP may be deemed to have shared power with JHS and WEO to vote or to direct the
vote and to dispose or to direct the disposition of 4,090,200 Shares held by SPO
and SFP in the aggregate.

         (c) Since the most recent filing on Schedule 13D, the Reporting Persons
purchased  Shares in open  market  transactions  on the New York Stock  Exchange
("the "NYSE") as set forth on Schedule I attached hereto.

         Except as set forth in this paragraph (c), to the best of the knowledge
of each of the  Reporting  Persons,  none of the  persons  named in  response to
paragraph  (a) has  effected  any  transactions  in Shares since the most recent
filing on Schedule 13D.

         (d) Each of the  Reporting  Persons  affirms  that no person other than
such  Reporting  Person  has the right to  receive  or the  power to direct  the
receipt of distributions  with respect to, or the proceeds from the sale of, the
Shares owned by such Reporting Person.

         (e) Not applicable.

Item 7.  Material to be Filed as Exhibits.
         --------------------------------

         Item 7 is hereby amended and restated in its entirety as follows:

         Exhibit A - Agreement pursuant to Rule 13d-1 (k)









                                                             Page 14 of 14 Pages


         After reasonable  inquiry and to the best of my knowledge and belief, I
certify that the information  set forth in this statement is true,  complete and
correct.

         DATED:   May 19, 2003



                                              /s/ Kim M. Silva
                                              ----------------------------------
                                              Kim M. Silva

                                              Attorney-in-Fact for:

                                              SPO PARTNERS II, L.P. *
                                              SPO ADVISORY PARTNERS, L.P.*
                                              SAN FRANCISCO PARTNERS, L.P. *
                                              SF ADVISORY PARTNERS, L.P.*
                                              SPO ADVISORY CORP.*
                                              JOHN H. SCULLY*
                                              WILLIAM E. OBERNDORF*
                                              WILLIAM J. PATTERSON*

                                              * A Power of Attorney authorizing
                                                Kim M. Silva to act on behalf of
                                                this person or entity has been
                                                previously filed with the
                                                Securities and Exchange
                                                Commission.









                                  SCHEDULE I TO
                                  SCHEDULE 13D
                                 AMENDMENT NO. 4



                                                                                  WHERE/HOW
                                  Date of             Number of   Price Per      TRANSACTION
        REPORTING PERSON        Transaction   Type     Shares     Share ($)       EFFECTED
-----------------------------------------------------------------------------------------------
                                                                 
SPO Partners II, L.P.            4/10/2003    Buy      5,900       6.56             Open
                                                                                Market/Broker
San Francisco Partners, L.P.     4/10/2003    Buy        800       6.56             Open
                                                                                Market/Broker
SPO Partners II, L.P.            4/11/2003    Buy     23,400       6.56             Open
                                                                                Market/Broker
San Francisco Partners, L.P.     4/11/2003    Buy      2,600       6.56             Open
                                                                                Market/Broker
SPO Partners II, L.P.            4/16/2003    Buy      2,500       6.56             Open
                                                                                Market/Broker
San Francisco Partners, L.P.     4/16/2003    Buy        300       6.56             Open
                                                                                Market/Broker
SPO Partners II, L.P.            5/5/2003     Buy     43,200       6.82             Open
                                                                                Market/Broker
San Francisco Partners, L.P.     5/5/2003     Buy      4,800       6.82             Open
                                                                                Market/Broker
SPO Partners II, L.P.            5/6/2003     Buy     65,500       6.91             Open
                                                                                Market/Broker
San Francisco Partners, L.P.     5/6/2003     Buy      7,300       6.91             Open
                                                                                Market/Broker
SPO Partners II, L.P.            5/7/2003     Buy     36,000       6.94             Open
                                                                                Market/Broker
San Francisco Partners, L.P.     5/7/2003     Buy      4,000       6.94             Open
                                                                                Market/Broker
SPO Partners II, L.P.            5/8/2003     Buy     64,900       6.94             Open
                                                                                Market/Broker
San Francisco Partners, L.P.     5/8/2003     Buy      7,200       6.94             Open
                                                                                Market/Broker
SPO Partners II, L.P.            5/12/2003    Buy      1,800       6.99             Open
                                                                                Market/Broker
San Francisco Partners, L.P.     5/12/2003    Buy        200       6.99             Open
                                                                                Market/Broker
SPO Partners II, L.P.            5/13/2003    Buy     52,900       7.06             Open
                                                                                Market/Broker
San Francisco Partners, L.P.     5/13/2003    Buy      5,900       7.06             Open
                                                                                Market/Broker
SPO Partners II, L.P.            5/14/2003    Buy        100       7.09             Open
                                                                                Market/Broker
SPO Partners II, L.P.            5/16/2003    Buy     56,900       6.81             Open
                                                                                Market/Broker
San Francisco Partners, L.P.     5/16/2003    Buy      6,300       6.81             Open
                                                                                Market/Broker







                                  EXHIBIT INDEX

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Exhibit     Document Description                                 Page No.
--------------------------------------------------------------------------------
A           Agreement Pursuant to Rule 13d-1(k)                  1
--------------------------------------------------------------------------------









                                    EXHIBIT A

         Pursuant to Rule 13d-1(k) of Regulation  13D-G of the General Rules and
Regulations  of the  Securities  and Exchange  Commission  under the  Securities
Exchange Act of 1934, as amended,  the undersigned  agrees that the statement to
which  this  Exhibit  is  attached  is  filed on  behalf  of each of them in the
capacities set forth below.


                                              DATED:        May 19, 2003



                                              /s/ Kim M. Silva
                                              ----------------------------------
                                              Kim M. Silva

                                              Attorney-in-Fact for:

                                              SPO PARTNERS II, L.P. *
                                              SPO ADVISORY PARTNERS, L.P.*
                                              SAN FRANCISCO PARTNERS, L.P. *
                                              SF ADVISORY PARTNERS, L.P.*
                                              SPO ADVISORY CORP.*
                                              JOHN H. SCULLY*
                                              WILLIAM E. OBERNDORF*
                                              WILLIAM J. PATTERSON*

                                              * A Power of Attorney authorizing
                                                Kim M. Silva to act on behalf of
                                                this person or entity has been
                                                previously filed with the
                                                Securities and Exchange
                                                Commission.