EXHIBIT 4.6
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                                D.R. HORTON, INC.

                                       AND

                    MANUFACTURERS AND TRADERS TRUST COMPANY,
                                       as
                                     Trustee



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                          FIRST SUPPLEMENTAL INDENTURE

                           Dated as of April 20, 1998

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                6 - 7/8% CONVERTIBLE SUBORDINATED NOTES DUE 2002











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         THIS FIRST SUPPLEMENTAL INDENTURE,  dated as of April 20, 1998, between
D.R. HORTON, INC., a Delaware corporation (the "Company"), and MANUFACTURERS AND
TRADERS  TRUST  COMPANY,  a duly  organized  and  existing  banking  corporation
organized under the laws of the State of New York, as trustee (the "Trustee").

                                    RECITALS

         WHEREAS,  Continental  Homes  Holding  Corp.,  a  Delaware  corporation
("Continental"), and the Trustee entered into the Indenture dated as of November
1, 1995 (the  "Indenture"),  pursuant to which  Continental  issued  $86,250,000
principal  amount  of 6 - 7/8%  Convertible  Subordinated  Notes  due 2002  (the
"Securities");

         WHEREAS,  on April  20,  1998,  pursuant  to the  laws of the  State of
Delaware and in  accordance  with the terms of the Agreement and Plan of Merger,
dated as of  December  18,  1997 (the  "Merger  Agreement"),  by and between the
Company and  Continental,  Continental was duly merged with and into the Company
(the "Merger"), with the Company continuing as the surviving corporation;

         WHEREAS,  as a result  of the  Merger,  the  Company  succeeded  to all
obligations,  duties and  liabilities of  Continental  under the Indenture as if
incurred or contracted by the Company;

         WHEREAS, the Company desires to supplement the Indenture to provide for
the  assumption by the Company of all  obligations  of  Continental  pursuant to
Section 5.01 of the  Indenture and to provide for  adjustment of the  conversion
rate pursuant to Section 10.17 of the Indenture; and

         WHEREAS,  the execution of this First  Supplemental  Indenture has been
duly  authorized  by the  Board  of  Directors  of the  Company  and all  things
necessary to make this First Supplemental  Indenture a valid,  binding and legal
instrument according to its terms have been done and performed;

         NOW THEREFORE,  for and in consideration  of the premises,  the Company
covenants  and agrees with the Trustee for the equal and ratable  benefit of the
respective holders of the Securities as follows:

                                   ARTICLE I.

                            ASSUMPTION BY THE COMPANY

         1.1 The Company hereby assumes all the obligations of Continental under
the Securities and the Indenture.

         1.2  The  Indenture  is  hereby  amended  so  that  all  references  to
Continental  shall,  where  appropriate,  be  deemed to be  referenced  to "D.R.
Horton, Inc." and further amended to reflect such changes in phraseology or form
as may be required thereby.  Section 12.02 to the Indenture is hereby amended so
that  the  references  to the  Company's  address  shall  be  deemed  to be 1901
Ascension Blvd., Suite 100, Arlington,  Texas 76006, Attention:  Chief Financial
Officer.

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                                   ARTICLE II.

                                   CONVERSION

         2.1. In accordance with Section 10.17 of the Indenture, the Holder of a
Security may convert such Security into the kind and amount of securities,  cash
or other  assets which he would have owned  immediately  after the Merger if the
Holder had converted the Security  immediately  before the effective date of the
Merger  (the  "Effective  Time").  The  conversion  rate  immediately  after the
Effective Time will be equal to the product of the conversion  rate  immediately
before the Effective Time times the exchange ratio of 2.25, which was determined
in accordance with the procedures specified in the Merger Agreement.

         2.2. The conversion rate remains  subject to the  adjustments  provided
for in Article 10 of the Indenture.

                                  ARTICLE III.

                                FORM OF SECURITY

         3.1. In accordance with Article I of this First Supplemental Indenture,
Exhibit  A to the  Indenture  is  hereby  amended  so  that  all  references  to
Continental  shall,  where  appropriate,  be  deemed to be  referenced  to "D.R.
Horton, Inc." and further amended to reflect such changes in phraseology or form
as may be required thereby.

         3.2.  Exhibit  A to  the  Indenture  is  hereby  amended  so  that  the
references to the Company's  address shall be deemed to be 1901 Ascension Blvd.,
Suite 100, Arlington, Texas 76006, Attention: Chief Financial Officer.

         3.3. In  accordance  with Section 10.17 of the Indenture and Articles I
and II of this First  Supplemental  Indenture,  paragraph  8 of Exhibit A to the
Indenture  is hereby  amended so that,  after giving  effect to the Merger,  the
initial  conversion  rate of the Securities  shall be 94.73625  shares of Common
Stock,  par value  $.01,  of the  Company  per  $1,000  principal  amount of the
Securities.

                                   ARTICLE IV.

                            MISCELLANEOUS PROVISIONS

         4.1. This First Supplemental  Indenture constitutes a supplement to the
Indenture, and the Indenture and this First Supplemental Indenture shall be read
together  and shall have the effect so far as  practicable  as though all of the
provisions thereof and hereof are contained in one instrument.

         4.2. This First Supplemental Indenture may be executed in any number of
counterparts,  each of which when so executed shall together  constitute but one
and the same instrument.

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         4.3.  In the  event  that  any  provision  in this  First  Supplemental
Indenture shall be held to be invalid,  illegal or unenforceable,  the validity,
legality and enforceability of the remaining  provisions shall not in any way be
affected or impaired thereby.

         4.4. The article and section  headings herein are for convenience  only
and shall not affect the construction hereof.

         4.5. Any capitalized term used in this First Supplemental Indenture and
not  defined  herein  that is defined in the  Indenture  shall have the  meaning
specified in the Indenture, unless the context shall otherwise require.

         4.6. All covenants and agreements in this First Supplemental  Indenture
by the Company shall bind its  successors  and assigns,  whether so expressed or
not.

         4.7. This First Supplemental Indenture shall be deemed to be a contract
under the internal laws of the State of New York,  and for all purposes shall be
construed in accordance with the laws of such State.

         4.8. Except as amended by this First Supplemental Indenture,  the terms
and provisions of the Indenture shall remain in full force and effect.

         4.9. The Trustee  accepts the  modifications  of the trust  effected by
this First  Supplemental  Indenture,  but only upon the terms and conditions set
forth in the Indenture.  Without  limiting the generality of the foregoing,  the
Trustee  assumes no  responsibility  for the  correctness of the recitals herein
contained  which shall be taken as the statements of the Company and the Trustee
shall  not be  responsible  or  accountable  in any way  whatsoever  for or with
respect to the validity or execution or sufficiency  of this First  Supplemental
Indenture and the Trustee makes no representation with respect thereto.

                            [SIGNATURES ON NEXT PAGE]

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         IN  WITNESS  WHEREOF,   the  parties  hereto  have  caused  this  First
Supplemental  Indenture  to be duly  executed,  all as of the day and year first
above written.

                                        D.R. HORTON, INC.

                                        By:/s/ David J. Keller
                                           -------------------------------------
                                           David J. Keller
                                           Executive Vice President,
                                           Chief Financial Officer and Treasurer


                                        MANUFACTURERS AND TRADERS TRUST
                                        COMPANY, as Trustee

                                        By:/s/ Russell T. Whitley
                                           -------------------------------------
                                           Name:  Russell T. Whitley
                                           Title:  Asst. Vice President


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