and in every such case, interest on said Series N Bond and all
liability of the Board to the owner of said Series N Bond for the
payment of the principal thereof and interest thereon, shall
forthwith cease, determine and be completely discharged, and
thereupon it shall be the duty of the Trustee to hold the funds so
deposited in trust for the benefit of the owner of such Series N
Bond, who shall thereafter be restricted exclusively to said funds
for any claim of whatsoever nature on the part of such owner under
this Supplemental Indenture or in said Series N Bond.

          Section 1502. Covenants and Provisions Binding Upon
Successors and Assigns. Whenever in this Supplemental Indenture
any of the parties hereto is referred to, such reference shall be
deemed to include the successors and assigns of such party, and all
the covenants, promises and agreements in this Supplemental Inden-
ture contained by or on behalf of the Board, or by or on behalf of
the Trustee, shall bind and inure to the benefit of the respective
successors and assigns of such parties, whether so expressed or
not.

          Section 1503. Covenants Contained Hereto Inure Only To
the Parties Hereto, Their Successors and Assigns and the Owners Of
the Bonds. Nothing in this Supplemental Indenture, expressed or
implied, is intended or shall be construed to confer upon or give
to any person or corporation, other than the parties hereto and the
holders and owners of the Bonds and of coupons, if any, any right,
remedy or claim under or by reason of this Supplemental Indenture,
or any covenant, condition or stipulation hereof, and all the
covenants, stipulations, promises, agreements and conditions in
this Supplemental Indenture contained, by or on behalf of the
Board, shall be for the sole and exclusive benefit of the parties
hereto, their successors and assigns, and of the holders and owners
of the Bonds and of coupons appurtenant thereto, if any.

          Section 1504.  Execution of Instruments.     Any request,
declaration or other instrument required or permitted by this
Supplemental Indenture to be made or given by any owner of the
Series N Bonds may be in any number of concurrent instruments of
similar tenor, and may be signed or executed by such owners in
person or by attorney appointed in writing. The execution of any
such request, declaration or other instrument, or of a writing
appointing any such attorney, shall be sufficient for any purpose
of this Supplemental Indenture and shall be conclusive in favor of
the Trustee as against the person signing such request, and all
future owners of the Series N Bonds owned by such person with
regard to due action taken by the Trustee under such request,
declaration or other instrument.

           Section 1505. Execution In Counterparts. This Supple-
mental Indenture may be simultaneously executed in any number of
counterparts, and all such counterparts executed and delivered,
each as an original, shall constitute but one and the same instru-
ment. The date of actual execution of this Supplemental Indenture
shall be the date of execution by the Trustee; but nevertheless the



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