UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

SCHEDULE 13G

Under the Securities Exchange Act of 1934

Baker (Michael) Corp
(Name of Issuer)
Common Stock
(Title of Class of Securities)
057149106
(CUSIP Number)
12-31-11
(Date of Event Which Requires Filing of this Statement)

Check the appropriate box to designate the rule pursuant to which
this Schedule is filed:

[ x] Rule 13d-1(b)
[  ] Rule 13d-1(c)
[  ] Rule 13d-1(d)


The information required in the remainder of this cover page
shall not be deemed to be filed for the purpose of Section 18
of the Securities Exchange Act of 1934 (Act) or otherwise subject
to the liabilities of that section of the Act but shall be subject
to all other provisions of the Act (however, see the Notes).


Schedule 13 G

Item 1	(a) Michael Baker Corp
	(b)	Airside Business Park, 100 Airside Drive
		Moon Township, PA  15108

Item 2	(a)	Corbyn Investment Management, Inc., et al.
	(b)	Suite 108
		2330 W. Joppa Road
		Lutherville, Maryland  21093
	(c)	Incorporated in the State of Maryland
	(d)	Common Stock
	(e)	057149106


Item 3(j)	The filer is a group consisting of an Investment Adviser
registered under Section 203 of the Investment Advisers Act of 1940
and an Investment Company registered under Section 8 of the
Investment Company Act.


Item 4	(a)	893,116
	(b)	9.36%
	(c)	(i)	Sole power to vote or direct the vote of all
	 893,116 shares
	(iii) Sole power to dispose of or direct the disposition
	 of all 893,116 shares

Item 5	N/A

Item 6	N/A

Item 7	N/A

Item 8	(a)	The group consists of an Investment Adviser
registered under Section 203 of the Investment Advisers Act of 1940
(IA) and an Investment Company registered under Section 8 of the
Investment Company Act (IV).

Item 9	N/A







Schedule 13 G

Item 1	(a) Michael Baker Corp
	(b)	Airside Business Park, 100 Airside Drive
		Moon Township, PA  15108


Item 2	(a)	Corbyn Investment Management, Inc.
	(b)	Suite 108
		2330 W. Joppa Road
		Lutherville, Maryland  21093
	(c) 	Incorporated in the State of Maryland
	(d)	Common Stock
	(e)	057149106



Item 3 (e)	An investment adviser in accordance with
240.13d-1(b)(1)(ii)(E);


Item 4	(a)	248,811
	(b)	2.61%
	(c)	(i)	Sole power to vote or direct the vote
	of all 248,811 shares
	(iii)	Sole power to dispose of or direct the
	disposition of all 248,811 shares


Item 5	N/A
Item 6	N/A
Item 7	N/A
Item 8	N/A
Item 9	N/A



Schedule 13 G

Item 1	(a) Michael Baker Corp
	(b)	Airside Business Park, 100 Airside Drive
		Moon Township, PA  15108

Item 2	(a)	Greenspring Fund, Inc.
	(b)	Suite 110
		2330 W. Joppa Road
		Lutherville, Maryland  21093
	(c) 	Incorporated in the State of Maryland
	(d)	Common Stock
	(e)	057149106



Item 3 (d)	Investment company registered under section 8
of the Investment Company Act of 1940 (15 U.S.C 80a-8).


Item 4 (a)	644,305
	(b)	6.75%
	(c)	(i) Sole power to vote or direct the vote of
	all 644,305 shares
	(iii) Sole power to dispose of or direct the disposition
	of all 644,305 shares


Item 5	N/A
Item 6	N/A
Item 7	N/A
Item 8	N/A
Item 9      N/A

Item 10 By signing below I certify that, to the best of my
knowledge and belief, the securities referred to above were
acquired and are held in the ordinary course of business and
were not acquired and are not held for the purpose of or with
the effect of changing or influencing the control of the issuer
of the securities and were not acquired and are not held in
connection with or as a participant in any transaction having
that purpose or effect.


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.

Signature Karla K. Moore, CCO
January 10, 2012





CUSIP No 057149106	13G


1.	Name of Reporting Person
	IRS Identification No. of Above Person

	Corbyn Investment Management, Inc. et al
	n/a

2.	Check The Appropriate Box If A Member Of A Group
(a)	[x]
(b)	[ ]

3.	SEC Use Only

4.	Citizenship or Place of Organization

	Suite 108  2330 W. Joppa Rd.
	Lutherville, MD  21093


	Number Of	5.  Sole Voting Power
	Shares			893,116
	Beneficially 6.  Shared Voting Power
	Owned By
	Each		 7.  Sole Dispositive Power
	Reporting		893,116
	Person With	 8.  Shared Dispositive Power


9.	Aggregate Amount Beneficially Owned By Each Reporting Person
	893,116

10.	Check Box if the Aggregate Amount in Row (9) Excludes
	Certain Shares [ ]

11.	Percent Of Class Represented By Amount In Row 9
	9.36%

12.	Type Of Reporting Person
	00- Group Consisting of IA and IV


CUSIP No.  057149106	13G

1.	Name of Reporting Person
	IRS Identification No. of Above Person

	Corbyn Investment Management, Inc.
	52-0964322

2.	Check The Appropriate Box If A Member Of A Group
(a)	[x]
(b)	[ ]

3.	SEC Use Only

4.	Citizenship or Place of Organization

	Suite 108  2330 W. Joppa Rd.
	Lutherville, MD  21093


Number Of	5.  Sole Voting Power
Shares		248,811
Beneficially 6.  Shared Voting Power
Owned By
Each		7.  Sole Dispositive Power
Reporting		248,811
Person With	8.  Shared Dispositive Power


9.	Aggregate Amount Beneficially Owned By Each Reporting Person
	248,811

10.	Check Box if the Aggregate Amount in Row (9) Excludes
	Certain Shares [ ]

11.	Percent Of Class Represented By Amount In Row 9
	2.61%

12.	Type Of Reporting Person
	IA


CUSIP No.  057149106	13G

1.	Name of Reporting Person
	IRS Identification No. of Above Person

	Greenspring Fund, Inc.
	52-1267740

2.	Check The Appropriate Box If A Member Of A Group
(a)	[x]
(b)	[ ]

3.	SEC Use Only

4.	Citizenship or Place of Organization

	Suite 110  2330 W. Joppa Rd.
	Lutherville, MD  21093


Number Of	5.  Sole Voting Power
Shares		644,305
Beneficially  6.  Shared Voting Power
Owned By
Each		7.  Sole Dispositive Power
Reporting	644,305
Person With	8.  Shared Dispositive Power


9.	Aggregate Amount Beneficially Owned By Each Reporting Person
	644,305

10.	Check Box if the Aggregate Amount in Row (9) Excludes
	Certain Shares [ ]

11.	Percent Of Class Represented By Amount In Row 9
	6.75%

12.	Type Of Reporting Person
	IV