EXHIBIT 3.1J

                          ARTICLES OF INCORPORATION
                                      OF
                IRON MOUNTAIN RECORDS MANAGEMENT OF OHIO, INC.


      The undersigned, being a natural person and acting as the incorporator,
does hereby adopt the following Articles of Incorporation for the purpose of
forming a corporation pursuant to the provisions of Chapter 1701 of the Revised
Code of Ohio, as amended and implemented, and as hereinafter sometimes referred
to as the "General Corporation Law".

      FIRST: The name of the corporation (hereinafter called the "corporation")
is Iron Mountain Records Management of Ohio, Inc.

      SECOND: The place in the State of Ohio where the principal office of the
corporation is to be located is 5857 Highland Ridge Drive, City of Cincinnati,
County of Hamilton 45232.

      THIRD: The purposes for which the corporation is formed shall be to engage
in any lawful act or activity for which corporations may be formed under Chapter
1701 of the Revised Code of Ohio.

      FOURTH: The authorized number of shares of the corporation is one hundred,
all of which are of a par value of one dollar each and are of the same class and
are to be common shares.

      FIFTH: The period of existence of the corporation is perpetual.

      SIXTH: No holder of any of the shares of the corporation shall be entitled
as of right to purchase or subscribe for any unissued shares of any class or any
additional shares of any class to be issued by reason of any increase of the
authorized number of shares of the corporation of any class, or bonds,
certificates of indebtedness, debentures, or other securities convertible into
shares of the corporation or carrying any right to purchase shares of any class,
but any such unissued shares or such additional authorized issue of any shares
or of other securities convertible into shares, or carrying any right to
purchase shares, may be issued and disposed of pursuant to resolution of the
Board of Directors to such persons, firms, corporations, or associations, and
upon such terms as may be deemed advisable by the Board of Directors in the
exercise of its discretion.

      SEVENTH: 1. Notwithstanding any provision in the General Corporation Law
requiring for any purpose the vote, consent, waiver or release of the holders of
a designated greater proportion (but less than all) of the shares of any
particular class or of each class, if the shares are classified, the vote,
consent, waiver or release of the holders of at least a majority of the voting
power, or of at least a majority of the shares entitled to vote, of such
particular class or of each class, if the shares are classified, shall be
required in lieu of any such designated greater proportion otherwise required by
any provision of the General Corporation Law.





                                     -2-

            2. Whenever the General Corporation Law shall fail to prescribe a
designated proportion of voting power required for any purpose, the vote,
consent, waiver or release of at least a majority of the voting power
represented at a meeting of shareholders at which a quorum is present shall be
sufficient for any such purposes; and at any such meeting the shareholders
entitled to exercise at least a majority of the voting power relating to any
such purpose shall constitute a quorum.

            3. The corporation shall have the power, without the approval, which
might otherwise be required, of any of its shareholders, to repurchase any of
its shares if and when any shareholder desires to, or on the happening of any
event is required to, sell such shares, and shall have the power, without the
approval of any of its shareholders, to purchase any of its issued shares to the
fullest extent permitted by Section 1701.35 of the General Corporation Law.

      EIGHTH: The corporation shall, to the fullest extent permitted by Section
1701.13 of the General Corporation Law, as the same may be amended and
supplemented, indemnify any and all persons whom it shall have power to
indemnify under said section from and against any and all of the expenses,
liabilities, or other matters referred to or covered by said section; and the
indemnification provided for herein shall not be deemed exclusive of any other
rights to which any person seeking indemnification may be entitled under the
Regulations, any agreement, vote of shareholders or disinterested directors or
otherwise, both as to action in his official capacity and as to action in
another capacity while holding such office, and shall continue as to a person
who has ceased to be a director, trustee, officer, employee, or agent, and shall
inure to the benefit of the heirs, executors, and administrators of such a
person.

      NINTH: From time to time any of the provisions of the Articles of
Incorporation may be amended, altered, or repealed, and other provisions
authorized by the General Corporation Law and the laws of the State of Ohio at
the time in force may be added or inserted in the manner and at the time
prescribed by said laws, and all rights at any time conferred upon the
shareholders of the corporation by the Articles of Incorporation are granted
subject to the provisions of this Article NINTH.



Signed on October 19, 1994.         /s/  Garry B. Watzke
                                         ---------------------------
                                         Garry B. Watzke
                                         Sole Incorporator