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UNITED STATES SECURITIES AND EXCHANGE COMMISSION
 Washington, D.C. 20549
 Form 10-Q
 þ
    
    Quarterly Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934
 For the quarterly period ended March 31, 2006
 or
 o
    
    Transition Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934
 For the transition period from  to
 Commission File Number: 1-11608
 WILLIAMS COAL SEAM GAS ROYALTY TRUST
  Delaware
(State or other jurisdiction
of incorporation or
organization)
    
    75-6437433
(I.R.S. Employer
Identification No.)
 
 
 þ o
  Large accelerated filer o
    
    Accelerated filer þ
    
    Non-accelerated filer o
 o þ




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TABLE OF CONTENTS  PART I  FINANCIAL INFORMATIONItem 1. Financial StatementsItem 2. Trustees Discussion and Analysis of Financial Condition and Results of OperationsItem 3. Quantitative and Qualitative Disclosures About Market RiskItem 4. Controls and ProceduresPART II  OTHER INFORMATIONItems 1 through 5Item 6. ExhibitsSIGNATURESLetter Regarding Unaudited Interim Financial InformationCertification Pursuant to Section 302Certificate Pursuant to Section 906    Table of Contents  
 PART I  FINANCIAL INFORMATION




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WILLIAMS COAL SEAM GAS ROYALTY TRUST
 CONDENSED STATEMENTS OF ASSETS, LIABILITIES AND TRUST CORPUS (UNAUDITED)
 March 31,
    
    
    December 31,2006
    
    
    2005ASSETSCurrent Assets  cash and cash equivalents
    
    $
    38,815
    
    
    $
    55,586Royalty interests in oil and gas properties
(less accumulated amortization
of $129,001,171 at
March 31, 2006 and
$128,483,605 at December 31,
2005) (Note 2)
    
    
    9,565,492
    
    
    
    10,083,058TOTAL ASSETS
    
    $
    9,604,307
    
    
    $
    10,138,644LIABILITIES AND TRUST CORPUSCurrent Liabilities:Accounts payable
    
    $
    131,155
    
    
    $
    47,475Trust corpus - 9,700,000 units of
beneficial interest authorized
and outstanding (Note 2)
    
    
    9,473,152
    
    
    
    10,091,169TOTAL LIABILITIES
AND TRUST CORPUS
    
    $
    9,604,307
    
    
    $
    10,138,644




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WILLIAMS COAL SEAM GAS ROYALTY TRUST
 CONDENSED STATEMENTS OF DISTRIBUTABLE INCOME (UNAUDITED)
 THREE MONTHS
    
    
    THREE MONTHSENDED
    
    
    ENDEDMarch 31, 2006
    
    
    March 31, 2005Royalty income (Note 2)
    
    $
    5,688,245
    
    
    $
    3,533,871Interest income
    
    
    18,706
    
    
    
    5,348Total
    
    
    5,706,951
    
    
    
    3,539,219General and administrative
expenses (Note 4)
    
    
    (350,454
    )
    
    
    (396,777
    )Distributable income
    
    $
    5,356,497
    
    
    $
    3,142,442Distributable income per unit
(9,700,000 units)(Note 2)
    
    $
    .55
    
    
    $
    .32




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WILLIAMS COAL SEAM GAS ROYALTY TRUST
 CONDENSED STATEMENTS OF CHANGES IN TRUST CORPUS (UNAUDITED)
 THREE MONTHS
    
    
    THREE MONTHSENDED
    
    
    ENDEDMarch 31, 2006
    
    
    March 31, 2005Trust corpus, beginning of period
    
    $
    10,091,169
    
    
    $
    12,285,070Amortization of royalty interests (Note 2)
    
    
    (517,566
    )
    
    
    (507,273
    )Distributable income
    
    
    5,356,497
    
    
    
    3,142,442Distributions to Unitholders (Note 5)
    
    
    (5,456,948
    )
    
    
    (3,359,216
    )Trust corpus, end of period
    
    $
    9,473,152
    
    
    $
    11,561,023Distributions per unit
(9,700,000 units)(Note 5)
    
    $
    .56
    
    
    $
    .35




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WILLIAMS COAL SEAM GAS ROYALTY TRUST
 NOTES TO FINANCIAL STATEMENTS (UNAUDITED)
 1. TRUST ORGANIZATION AND PROVISIONS




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2. BASIS OF ACCOUNTING
  
    
    Revenues are recognized in the period in which amounts are received by the
Trust. General and administrative expenses are recognized on an accrual basis.
    
    Amortization of the Royalty Interests is calculated on a unit-of-production
basis and charged directly to trust corpus.
    
    Distributions to Unitholders are recorded when declared by the Trustee (See
Note 5).
    
    Loss contingencies are recognized in the period in which amounts are paid by
the Trust.
  3. FEDERAL INCOME TAXES




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4. RELATED PARTY TRANSACTIONS




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5. DISTRIBUTIONS TO UNITHOLDERS
    6. SUBSEQUENT EVENTS
  QuarterlyRecord
    
    Payment
    
    DistributionDate
    
    Date
    
    per UnitMay 15, 2006
    
    May 30, 2006
    
    $
    .266448




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7. CONTINGENCIES




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Item 2.
    
    Trustees Discussion and Analysis of Financial Condition and Results of Operations.




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Three Months Ended March 31, 2006 Compared to Three Months Ended March 31, 2005




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Three Months
    
    Three MonthsEnded
    
    EndedDecember 31, 2005
    
    December 31, 2004Production (MMBtu) (1)WI Properties
    
    
    1,795,523
    (2)
    
    
    1,831,793
    (4)Farmout Properties
    
    
    366,322
    (3)
    
    
    437,367
    (5)Blanco Hub Spot Price ($/MMBtu) (6)
    
    $
    9.59
    
    
    $
    5.77Net Wellhead Price WI Properties
($/MMBtu) (6)
    
    $
    4.29
    
    
    $
    2.64
 
 (1)
    
    Million British Thermal Units.




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(2)
    
    Includes retroactive adjustments of (26,762) MMBtu.(3)
    
    Reflects estimated volumes for September 2005 through November 2005.(4)
    
    Includes retroactive adjustments of (85,990) MMBtu.(5)
    
    Reflects estimated volumes for September 2004 through November 2005.(6)
    
    Simple average of estimates for the months included in the period presented.




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Forward-Looking Statements
  
 Item 3.
    
    Quantitative and Qualitative Disclosures About Market Risk.




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Item 4.
    
    Controls and Procedures.
  
 PART II  OTHER INFORMATION
 
 Items 1
    
    through 5.
  
 Item 6.
    
    Exhibits.
  EXHIBIT NUMBER
    
    EXHIBIT15.1 
    
    Letter regarding unaudited interim financial information
dated May 8, 2006, from the independent Registered Public
Accounting Firm which acknowledges awareness of the use in
registration statement of a report on unaudited interim
financial information.31.1 
    
    Certification by Ron E. Hooper, Senior Vice President and
Administrator of Bank of America, Trustee of Williams Coal
Seam Gas Royalty Trust, dated May 10, 2006, and submitted
pursuant to Rule 13a-14(a)/15d-14(a) and pursuant to
Section 302 of the Sarbanes-Oxley Act of 2002.32.1 
    
    Certificate by Bank of America, Trustee of Williams Coal
Seam Gas Royalty Trust, dated May 10, 2006, and submitted
pursuant to Section 906 of the Sarbanes-Oxley Act of 2002
(18 U.S.C. Section 1350).




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SIGNATURES
  WILLIAMS COAL SEAM GAS ROYALTY TRUSTBy: BANK OF AMERICA, N.A., TrusteeBy:
    
    /s/ RON E. HOOPERRon E. HooperSenior Vice President and Administrator




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INDEX TO EXHIBITS
 EXHIBIT NUMBER
    
    EXHIBIT15.1 
    
    Letter regarding unaudited interim financial information
dated May 8, 2006, from the independent Registered Public
Accounting Firm which acknowledges awareness of the use in
registration statement of a report on unaudited interim
financial information.31.1 
    
    Certification by Ron E. Hooper, Senior Vice President and
Administrator of Bank of America, Trustee of Williams Coal
Seam Gas Royalty Trust, dated May 10, 2006, and submitted
pursuant to Rule 13a-14(a)/15d-14(a) and pursuant to
Section 302 of the Sarbanes-Oxley Act of 2002.32.1 
    
    Certificate by Bank of America, Trustee of Williams Coal
Seam Gas Royalty Trust, dated May 10, 2006, and submitted
pursuant to Section 906 of the Sarbanes-Oxley Act of 2002
(18 U.S.C. Section 1350).