UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
SCHEDULE 13G/A
Under the Securities Exchange Act of 1934
IRON MOUNTAIN INCORPORATED
____________
(Name of Issuer)
Common Stock, par value $0.01 per share
_______________________________________
(Title of Class Securities)
46284P 10 4
___________
(CUSIP Number)
DECEMBER 31, 1997
(DATE OF EVENT WHICH REQUIRES FILING OF THIS STATEMENT)
AMMENDED MARCH 5, 1998
<PAGE>
CUSIP NO.46284P 10 4 SCHEDULE 13G/A
___________
1) Names of Reporting Persons S.S. or I.R.S. Identification Nos. of Above
Persons
B. Thomas Golisano
Social Security Number: ###-##-####
2) Check the Appropriate Box if a Member of a Group (See Instructions)
(a) [ ]
(b) [ ]
3) SEC Use Only _________________________________________________________
__________________________________________________________________________
4) Citizenship or Place of Organization: United States of America
Number of Shares 5) Sole Voting Power 1,013,782
Beneficially 6) Shared Voting Power -0-
Owned by Each 7) Sole Dispositive Power 931,701
Reporting Person 8) Shared Dispositive Power 82,081
9) Aggregate Amount Beneficially Owned by Each Reporting Person 1,013,782
10) Check Box if the Aggregate Amount in Row (9) Excludes Certain Shares
(See Instructions): [ ]
11) Percent of Class Represented by Amount in Row 9 7.54%
12) Type of Reporting Person (See Instructions): IN
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Item 1. (a) Name of Issuer:
______________
Iron Mountain Incorporated
(b) Address of Issuer's Principal Executive Offices:
_______________________________________________
745 Atlantic Avenue
Boston, Massachusetts 02111
Item 2. (a) Name of Person Filing:
_____________________
B. Thomas Golisano
(b) Address of Principal Business Office:
____________________________________
c/o Paychex, Inc.
911 Panorama Trail South
Rochester, NY 14625
(c) Citizenship:
___________
United States of America
(d) Title of Class of Securities:
____________________________
Common Stock, par value $0.01 per share
(e) CUSIP Number:
____________
46284P 10 4
Item 3. Not Applicable
Item 4. Ownership
_________
(a) Amount beneficially owned: 1,013,782
(b) Percent of Class: 7.54%
(c) (i) sole power to vote or to
direct the vote: 1,013,782
(ii) shared power to vote or to
direct the vote: -0-
(iii) sole power to dispose or to direct
the disposition of: 931,701
(iv) shared power to dispose or to direct
the disposition of: 82,081
Item 5. Ownership Five Percent or Less of a Class
_________________________________________
N/A
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Item 6. Ownership of more than Five Percent on Behalf of Another Person:
_______________________________________________________________
N/A
Item 7. Identification and Classification of the Subsidiary Which Acquired
and Security Being Reported by the Parent Holding Company
__________________________________________________________________
N/A
Item 8. Identification and Classification of Members of the Group
_________________________________________________________
N/A
Item 9. Notice of Dissolution of Group
______________________________
N/A
Item 10. Certification
_____________
N/A
Signature
_________
After reasonable inquiry and to the best of my knowledge and belief, I certify
that the information set forth in this statement is true, complete and
correct.
Dated: January 20, 1998 (AMENDED March 5, 1998)
/s/ B. THOMAS GOLISANO
_________________________
B. Thomas Golisano
Director of Issuer
