UNITED STATES
                       SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C. 20549

                                 SCHEDULE 13G/A

                    Under the Securities Exchange Act of 1934
                                (Amendment No.5)*

                           DAWSON GEOPHYSICAL COMPANY
        -----------------------------------------------------------------
                                (Name of Issuer)

                                  Common Stock
        -----------------------------------------------------------------
                         (Title of Class of Securities)

                                    239359102
                              --------------------
                                 (CUSIP Number)

                                December 31, 2003
        ----------------------------------------------------------------
             (Date of Event Which Requires Filing of this Statement)

Check the  appropriate box to designate the rule pursuant to which this Schedule
is filed:

         / X /    Rule 13d-1(b)
         /   /    Rule 13d-1(c)
         /   /    Rule 13d-1(d)

*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 the
disclosures provided in a prior cover page.

The information required in 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 the section of the Act
but  shall be  subject  to all other  provisions  of the Act  (however,  see the
Notes).






                                 SCHEDULE 13G/A
                               CUSIP NO. 239359102

1.   Names of Reporting Persons.
     I.R.S. Identification Nos. of above persons (entities only).

     Quaker Capital Management Corporation
     ---------------------------------------------------------------------------

2.   Check the Appropriate Box if a Member of a Group

         (a)
                  -----
         (b)        X
                  -----

3.   SEC Use Only
                                   ---------------------------------------------

4.   Citizenship or Place of Organization                           Pennsylvania
                                                                 ---------------

Number of         5.       Sole Voting Power                                   0
Shares                                                           ---------------
Beneficially      6.       Shared Voting Power                           440,482
Owned by                                                         ---------------
Each Reporting    7.       Sole Dispositive Power                              0
Person With:                                                     ---------------
                  8. Shared Dispositive Power                            440,482
                                                                 ---------------

9.   Aggregate Amount Beneficially Owned by Each Reporting Person

     440,482
     ---------

10.  Check if the Aggregate Amount in Row (9) Excludes Certain
     Shares
              --------

     The Reporting  Person  disclaims  beneficial ownership  of  440,482  shares
     owned by its clients.

11.  Percent of Class Represented by Amount in Row (9)                     8.03%
                                                                  --------------
12.  Type of Reporting Person                                           IA
                                                                  --------------



                               Page 2 of 6 Pages




                                 SCHEDULE 13G/A
                               CUSIP NO. 239359102
Item 1.

         (a)      Name of Issuer

                  Dawson Geophysical Company
                  --------------------------------------------------------------

         (b)      Address of Issuer's Principal Executive Offices

                  508 West Wall, Suite 800, Midland, Texas 79701
                  --------------------------------------------------------------
Item 2.

         (a)      Name of Persons Filing

                  Quaker Capital Management Corporation
                  --------------------------------------------------------------

         (b)      Address of Principal Business Office or, if none, Residence

                  401 Wood Street, Suite 1300, Pittsburgh, PA  15222
                  --------------------------------------------------------------

         (c)      Citizenship

                  Pennsylvania, USA
                  --------------------------------------------------------------

         (d)      Title of Class of Securities

                  Common Stock
                  --------------------------------------------------------------

         (e)      CUSIP Number

                  239359102
                  --------------------------------------------------------------






                               Page 3 of 6 Pages



                                 SCHEDULE 13G/A
                               CUSIP NO. 239359102


Item 3.    If  this  statement  is  filed   pursuant   to ss.ss.240.13d-1(b)  or
           240.13d-2(b) or (c), check whether the  person filing is a:

     (a)   / / Broker of dealer registered under section 15 of the Act;

     (b)   / / Bank as defined in section 3(a)(6) of the Act;

     (c)   / / Insurance company as defined in section 3(a)(19) of the Act;

     (d)   / / Investment company registered under section 8 of   the Investment
               Company Act of 1940;

     (e)   /X/ An investment adviser in accordance with  ss.240.13d- 1(b)(l)(ii)
               (E);

     (f)   / / An employee benefit plan or endowment fund in accordance with ss.
               240.13d-1(b)(1)(ii)(F);

     (g)   / / A parent holding company or control person in accordance with ss.
               240.13d-1(b)(1)(ii)(G);

     (h)   / / A savings association as defined in  Section 3(b) of  the Federal
               Deposit Insurance Act;

     (i)   / / A   church   plan   that is   excluded  from the definition of an
               investment  company  under  section   3(c)(14)  of the Investment
               Company Act of 1940;

     (j)   / / Group, in accordance with ss.240.13d-1((b)(l)(ii)(J)

Item 4.    Ownership
           ---------

         (a)   The Reporting Person, in its capacity as investment adviser,  may
               be deemed to be the  beneficial  owner of  440,482  shares of the
               Common Stock of the Issuer which are owned by various  investment
               advisory  clients of the Reporting  Person in accounts over which
               the Reporting Person has discretionary  authority.  The filing of
               this  report  shall not be  construed  as an  admission  that the
               Reporting  Person is, for  purposes of Section  13(d) or 13(g) of
               the Act, the beneficial owner of these securities.

         (b)   The shares covered by this report  represent  8.03% of the Common
               Stock of the Issuer.



                               Page 4 of 6 Pages



                                 SCHEDULE 13G/A
                               CUSIP NO. 239359102

         (c)   The Reporting Person has shared voting and dispositive power over
               440,482  shares  owned by its clients  and held in accounts  over
               which it has discretionary  authority.  The Reporting Person does
               not have sole voting or dispositive  power over any of the shares
               that it may be deemed to beneficially own.

Item 5.   Ownership of Five Percent or Less of a Class

          If this  statement  is being  filed to report  the fact that as of the
date hereof,  the reporting person has ceased to be the beneficial owner of more
than five percent of the class of securities, check the following:
                                                                      ----------

Item 6.   Ownership of More than Five Percent on Behalf of  Another Person

          The shares  with  respect to which this report is filed are owned by a
variety of investment  advisory clients of the Reporting  Person,  which clients
are  entitled to receive  dividends  on and the  proceeds  from the sale of such
shares. No client is known to own more than 5% of the class.

Item 7.   Identification and Classification of the Subsidiary Which Acquired the
          Security Being Reported on by the Parent Holding Company

          Not applicable.

Item 8.   Identification and Classification of Members of the Group

          Not applicable.

Item 9.   Notice of Dissolution of Group

          Not applicable.

Item 10.  Certification

          By  signing  below I certify  that,  to the best of my  knowledge  and
belief,  the  securities  referred  to above were  acquired  and are held in the
ordinary  course  of  business  and were not  acquired  and are not held for the
purpose of or with the effect of  changing  or  influencing  the  control of the
issuer of the  securities  and were not acquired and are not held in  connection
with or as a participant in any transaction having that purpose or effect.



                               Page 5 of 6 Pages



                                 SCHEDULE 13G/A
                               CUSIP NO. 239359102


                                    SIGNATURE

                  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.


                                           QUAKER CAPITAL MANAGEMENT CORPORATION


                                                   February 13, 2004
                                                   -----------------------------
                                                               Date


                                                   /s/  Mark G. Schoeppner
                                                   -----------------------------
                                                             Signature


                                                   Mark G. Schoeppner, President
                                                   -----------------------------
                                                             Name/Title



                               Page 6 of 6 Pages