FORM 3

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940

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(Print or Type Responses)

1. Name and Address of Reporting Person *   Kelly Michael A 2. Date of Event Requiring Statement (Month/Day/Year) 10/09/2006 3. Issuer Name and Ticker or Trading Symbol 3M CO [MMM] (Last) (First) (Middle) 3M CENTER 4. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director _____ 10% Owner __X__ Officer (give title below) _____ Other (specify below) EXEC VP DISPLAY & GRAPHICS 5. If Amendment, Date Original Filed(Month/Day/Year) (Street) ST. PAUL, MN 55144-1000 6. Individual or Joint/Group Filing(Check Applicable Line) _X_ Form filed by One Reporting Person ___ Form filed by More than One Reporting Person (City) (State) (Zip) Table I - Non-Derivative Securities Beneficially Owned

1.Title of Security (Instr. 4) 2. Amount of Securities Beneficially Owned (Instr. 4) 3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5) 4. Nature of Indirect Beneficial Ownership (Instr. 5) Common Stock 5,048 D   Common Stock 2,551 I by 401k/PAESOP Trust

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.			SEC 1473 (7-02)
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Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)

1. Title of Derivative Security (Instr. 4)	2. Date Exercisable and Expiration Date (Month/Day/Year)		3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)		4. Conversion or Exercise Price of Derivative Security	5. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Incentive Stock Option (right to buy)	05/09/2001	05/09/2010	Common Stock	2,306	$ 43.35	D	Â
Incentive Stock Option (right to buy)	05/11/2000	05/10/2009	Common Stock	2,104	$ 47.5	D	Â
Incentive Stock Option (right to buy)	05/08/2002	05/08/2011	Common Stock	1,704	$ 58.625	D	Â
Non-Qualified Stock Option (right to buy)	05/09/2001	05/09/2010	Common Stock	2,974	$ 43.35	D	Â
Non-Qualified Stock Option (right to buy)	05/11/2000	05/10/2009	Common Stock	3,176	$ 47.5	D	Â
Non-Qualified Stock Option (right to buy)	05/08/2002	05/08/2011	Common Stock	4,576	$ 58.625	D	Â
Non-Qualified Stock Option (right to buy)	05/14/2004	05/12/2013	Common Stock	7,016	$ 61.85	D	Â
Non-Qualified Stock Option (right to buy)	05/15/2003	05/14/2012	Common Stock	7,220	$ 64.5	D	Â
Non-Qualified Stock Option (right to buy)	05/10/2006	05/10/2015	Common Stock	11,418	$ 76.8	D	Â
Non-Qualified Stock Option (right to buy)	05/12/2005	05/09/2014	Common Stock	18,514	$ 84.4	D	Â
Non-Qualified Stock Option (right to buy)	05/09/2007	05/09/2016	Common Stock	17,693	$ 87.35	D	Â

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
Kelly Michael A 3M CENTER ST. PAUL, MN 55144-1000	Â	Â	  EXEC VP DISPLAY & GRAPHICS	Â

Signatures

By: GeorgeAnn Biros For: Michael A. Kelly		10/17/2006
**Signature of Reporting Person		Date

Explanation of Responses:

*	If the form is filed by more than one reporting person, see Instruction 5(b)(v).
**	Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).

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