Exhibit 4.01 (b)


               INSTRUMENT OF RESIGNATION, APPOINTMENT AND ACCEPTANCE
          entered into as of the 1st day of February, 1985, among EQUITABLE
          RESOURCES, INC., a Pennsylvania corporation, formerly known as
          Equitable Gas Company (the "Issuer"), PITTSBURGH NATIONAL BANK
          ("PNB"), and BANKERS TRUST COMPANY, a New York banking
          corporation ("Bankers").

                                  W I T N E S S E T H

               WHEREAS, the Issuer and PNB entered into an Indenture dated
          as of April 1, 1983 (the "Indenture") providing for the issuance
          from time to time of the Issuer's unsecured debentures, notes or
          other evidences of indebtedness (defined in the Indenture as
          "Securities"), to be issued in one or more series as provided in
          the Indenture;

               WHEREAS, there has been issued under the Indenture
          $50,000,000 aggregate principal amount of the Issuer's
          Debentures, 12-1/8% Series Due April 1, 2008 (the "Debentures"),
          all of which are outstanding at the date hereof and which are the
          only Securities outstanding under the Indenture;

               WHEREAS, PNB has been acting as Trustee under the Indenture:

               WHEREAS, Section 610 (b) of the Indenture provides that the
          Trustee may resign at any time and be discharged of the trust
          created by the Indenture by giving written notice thereof to the
          Issuer and by mailing notice of its resignation to the holders of
          Debentures;

               WHEREAS, Section 610 (e) of the Indenture further provides
          for the appointment by the Issuer of a successor Trustee in the
          event of the Trustee's resignation;

               WHEREAS, the Issuer has, by action of its Board of
          Directors, determined to appoint Bankers as successor Trustee
          under the Indenture; and

               WHEREAS, Bankers is qualified to act as successor Trustee
          under the Indenture and is willing to accept such appointment as
          successor Trustee on the terms and conditions set forth herein
          and under the Indenture.

               NOW, THEREFORE, pursuant to the provisions of the Indenture,
          in  consideration of the covenants herein contained and intending
          to be legally bound hereby, the Issuer, PNB and Bankers agree as
          follows:

               1.   PNB hereby resigns as Trustee under the Indenture.

               2.   The Issuer hereby accepts the resignation of PNB as
          Trustee under the Indenture.  Pursuant to the authority vested in
          it by Section 610 (e) of the Indenture, the Issuer hereby
          appoints Bankers as successor Trustee under the Indenture, with
          all the estate, properties, rights, powers, trusts, duties and
          obligations heretofore vested in PNB as Trustee under the
          Indenture.  The Issuer also hereby designates, pursuant to
          Section 1002 of the Indenture, the corporate trust office of
          Bankers, presently located at Four Albany Street, New York, New
          York 10015, as the office or agency of the Issuer in the Borough
          of Manhattan, the City of New York, New York where (a) the
          Debentures outstanding under the Indenture may be presented or
          surrendered for payment, (b) the
          Debentures may be presented for registration of transfer or
          exchange, and (c) notices and demands to or upon the Issuer in
          respect of the Indenture or the Debentures may be served. The
          Issuer also hereby confirms its prior designation, pursuant to
          Section 1002 of the Indenture and Section 5.1 of the Board
          Resolution establishing certain terms and provisions of the
          Debentures, of the corporate trust office of PNB, presently
          located at Fifth Avenue and Wood Street, Pittsburgh, Pennsylvania
          15222 as the office or agency of the Issuer in the City of
          Pittsburgh, Pennsylvania for the aforesaid purposes. PNB's
          resignation as Trustee, Bankers' succession as Trustee and the
          designation of the office described in the second preceding
          sentence shall each be effective at the close of business on the
          date of this instrument.

               3.   The Issuer represents and warrants to Bankers that:

                    (a)  it is validly organized and existing under the
                         laws of the state of its incorporation and has the
                         power and authority to carry out its business as
                         now conducted;

                    (b)  the Debentures were validly and lawfully issued;

                    (c)  it has performed or fulfilled each covenant,
                         agreement and condition on its part to be
                         performed or fulfilled under the Indenture;

                    (d)  it has no knowledge of the existence of any
                         default, or Event of Default (as defined in the
                         Indenture), or any event which upon notice or
                         passage of time or both would become an Event of
                         Default under the Indenture: and

                    (e)  it has not appointed any paying agents under the
                         Indenture other than PNB.

               4.   PNB represents and warrants to the Issuer and to
          Bankers that:

                    (a)  it has made, or promptly will make, available to
                         Bankers, originals of all documents relating to
                         the trust created by the Indenture and all
                         information in the possession of its corporate
                         trust department relating to the administration of
                         the trust and will furnish to Bankers any of such
                         documents or information as Bankers may select:

                    (b)  based on information known to the Trustee, no
                         default, or Event of Default (as defined in the
                         Indenture), or any event which upon notice or
                         passage of time or both would become an Event of
                         Default under the Indenture exists; and

                    (c)  it has lawfully and fully discharged its duties as
                         Trustee under the Indenture.

               5.   Bankers represents and warrants to the Issuer that it
          is qualified and eligible to act as Trustee under the Indenture,
          including under the provisions of Sections 608 and 609 thereof.


               6.    Bankers hereby accepts the appointment as successor
          Trustee under the Indenture and the trust created thereby, and
          assumes all rights, powers, duties and obligations of the Trustee
          under the Indenture. Bankers will execute said trust and exercise
          and perform said rights, powers, duties and obligations upon the
          terms and conditions set forth in the Indenture.

               7.   Bankers hereby accepts the designation of its corporate
          trust office as the office or agency of the Issuer in the Borough
          of Manhattan, the City of New York, New York for the purposes
          specified in paragraph 2.

               8.   PNB hereby acknowledges receipt of all compensation and
          other amounts due it under the Indenture and hereby confirms,
          assigns, transfers and sets over to Bankers, as successor Trustee
          under the Indenture, upon the trust expressed in the Indenture,
          any and all moneys and all the rights, powers, trusts, duties and
          obligations which PNB now holds as Trustee under and by virtue of
          the Indenture.

               9.   Bankers shall, on behalf of the Company and PNB and at
          the expense of the
          Company, mail a notice, in the form of Annex A hereto, of the
          resignation and succession effected hereby to the holders of the
          Debentures within 10 days of the date hereof.

               10.  Except as affected hereby, the Indenture is hereby
          confirmed and shall remain in full force and effect.

               11.  The Issuer and PNB hereby agree, upon the request of
          Bankers, to execute, acknowledge and deliver such further
          instruments of conveyance and assurance and do such other things
          as may be required for more fully and certainly vesting and
          confirming in Bankers all of the properties, rights, powers,
          duties and obligations of Bankers as successor Trustee under the
          Indenture

               12.  Terms not otherwise defined in this Agreement are used
          as defined in the Indenture.

               13.  This Agreement and the rights of the Parties hereunder
          shall be governed by, and construed in accordance with, the laws
          of the Commonwealth of Pennsylvania.

               14.  This agreement may be executed and acknowledged in one
          or more counterparts, and by the different Parties hereunto
          separate counterparts, each of which shall be deemed an original,
          and all such counterparts shall together constitute but one and
          the same instrument. This Agreement shall become effective upon
          the execution of counterparts hereof by all parties hereto
          whether or not all such parties have executed the same
          counterpart.

                WITNESS the due execution hereof as of the date first above
          written.

          [CORPORATE SEAL]


          ATTEST:                                 EQUITABLE RESOURCES, INC.




                                                  By
          Secretary                                    John C. Bertges,
          Senior Vice
                                                  President - Financial and
                                                  Administrative


          (CORPORATE SEAL)

          ATTEST:                            PITTSBURGH NATIONAL BANK



          Authorized Officer                  By  Joseph A. Richardson, Jr.
                                                  Senior Vice President and
                                                  Secretary


          (CORPORATE SEAL)

          ATTEST:                            BANKERS TRUST COMPANY




          Assistant Secretary                Vice President




                                                            ANNEX A


                           NOTICE OF RESIGNATION OF TRUSTEE
                                         AND
                           APPOINTMENT OF SUCCESSOR TRUSTEE



                                  To the Holders of
                                EQUITABLE GAS COMPANY
                           (now EQUITABLE RESOURCES, INC.)
                     DEBENTURES, 12-1/8% SERIES DUE APRIL 1, 2008
                                  (the "Debentures")




               NOTICE IS HEREBY GIVEN that, pursuant to Section 610 of the
          Indenture dated as of April 1, 1983 (the "Indenture") under which
          the above mentioned Debentures were issued, the undersigned
          PITTSBURGH NATIONAL BANK has resigned as Trustee under the
          Indenture, and EQUITABLE RESOURCES, INC., formerly Equitable Gas
          Company (the "Company"), has appointed BANKERS TRUST COMPANY as
          successor Trustee under the Indenture. Bankers Trust Company has,
          pursuant to Section 611 of the Indenture, accepted such
          appointment. The address of the corporate trust office of the
          successor Trustee is Four Albany Street, New York, New York
          10015. The Company has also designated said office as the office
          or agency of the Company in the Borough of Manhattan, the City of
          New York, New York where (a) the Debentures may be presented or
          surrendered for payment, (b) the Debentures may be presented for
          registration of transfer or exchange and (c) notices and demands
          to or upon the Company in respect of the Debentures or the
          Indenture may be served. Such resignation and succession and the
          designation of such office are all effective at the close of
          business on the date of this Notice.  Pittsburgh National Bank
          remains the office or agency of the Company
          for such purposes in the City of Pittsburgh, Pennsylvania.

               Debentures being sent for payment or registration of
          transfer or exchange should be sent to one of the following
          addresses:

          By Mail                            By Hand

          Corporate Trust Office             Corporate Trust Office
          Pittsburgh National Bank           Pittsburgh National Bank
          Fifth Avenue and Wood Street       Fifth Avenue and Wood Street
          Pittsburgh, PA 15222               Pittsburgh, PA     15222

          Bankers Trust Company              Bankers Trust Company
          Corporate Trust and Agency Group   Corporate Trust and Agency
          Group
          Securities Processing Service      Securities Processing Service
               Division                         Division
          P. O. Box 2579                     123 Washington Street
          Church Street Station              First Floor
          New York, NY 10008                 New York, NY  10006


          Dated: February 1, 1985            EQUITABLE RESOURCES, INC.
                                             PITTSBURGH NATIONAL BANK
                                             BANKERS TRUST COMPANY





          COMMONWEALTH OF PENNSYLVANIA    )
                                          ) ss:
          COUNTY OF ALLEGHENY             )

               On this 1st day of February, 1985, before me, the
          undersigned officer, personally appeared JOHN C. BERTGES, who
          acknowledged himself to be Vice President - Financial and
          Administrative of Equitable Resources, Inc., a corporation, and
          that he as such Vice President, being authorized to do so,
          executed the foregoing instrument for the purposes therein
          contained by signing the name of the corporation by himself as
          President.

               IN WITNESS WHEREOF, I hereunto set my hand and official
          seal.



          Notary Public
          My Commission Expires


          COMMONWEALTH OF PENNSYLVANIA      )
                                            ) ss:
          COUNTY OF ALLEGHENY               )

               On this 1st day of February, 1985, before me, the
          undersigned officer, personally appeared JOSEPH A. RICHARDSON,
          JR., who acknowledged himself to be Senior Vice President and
          Secretary of Pittsburgh National Bank, a national banking
          association, and that he as such Senior Vice President and
          Secretary, being authorized to do so, executed the foregoing
          instrument for the purposes therein contained by signing the name
          of said banking association by himself as Vice President and
          Secretary.

               IN WITNESS WHEREOF, I hereunto set my hand and official
          seal.


          Notary Public
          My Commission Expires:



          STATE OF NEW YORK      )
                                 ) ss:
          COUNTY OF NEW YORK     )


               On this 1st day of February, 1985, before me, the
          undersigned officer, personally appeared T.J. Moskio who
          acknowledged himself to be Vice President of Bankers Trust
          Company, a New York banking association, and that he as such Vice
          President, being authorized to do so, executed the foregoing
          instrument for the purposes therein contained by signing the name
          of said banking association by himself as Vice President.

               IN WITNESS WHEREOF, I hereunto set my hand and official
          seal.


          Notary Public

          By Commission Expires: