FORM 4 Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN 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 * VAUGHN ROBERT C   2. Issuer Name and Ticker or Trading Symbol DORCHESTER MINERALS LP [DMLP] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) __X__ Director _____ 10% Owner _____ Officer (give title below) _____ Other (specify below) (Last) (First) (Middle) 3811 TURTLE CREEK CENTRE, SUITE 1640-LB16 3. Date of Earliest Transaction (Month/Day/Year) 11/30/2009 (Street) DALLAS, TX 75219 4. If Amendment, Date Original Filed(Month/Day/Year) 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 Acquired, Disposed of, or Beneficially Owned

1.Title of Security (Instr. 3) 2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4) Code V Amount (A) or (D) Price Common Units 11/30/2009   G V 19,090 D $ 0 427,210 I .. (1) Common Units               17,722.686 I .. (2) Common Units               9,861 I .. (3) Common Units               9,862 I .. (4) Common Units               9,862 I .. (5) Common Units               9,863 I .. (6)

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

1. Title of Derivative Security (Instr. 3)

2. Conversion or Exercise Price of Derivative Security

3. Transaction Date (Month/Day/Year)

3A. Deemed Execution Date, if any (Month/Day/Year)

4. Transaction Code (Instr. 8)

5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4, and 5)

6. Date Exercisable and Expiration Date (Month/Day/Year)

7. Title and Amount of Underlying Securities (Instr. 3 and 4)

8. Price of Derivative Security (Instr. 5)

9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)

10. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 4)

11. Nature of Indirect Beneficial Ownership (Instr. 4)

Code

V

(A)

(D)

Date Exercisable

Expiration Date

Title

Amount or Number of Shares

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
VAUGHN ROBERT C 3811 TURTLE CREEK CENTRE SUITE 1640-LB16 DALLAS, TX 75219	X

Signatures

Robert C. Vaughn		12/04/2009
**Signature of Reporting Person		Date

Explanation of Responses:

*	If the form is filed by more than one reporting person, see Instruction 4(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).
(1)	Mr. Vaughn and his spouse are the only partners of the general partnership that owns the general partner of RCV, Ltd. and all the limited partnership interests of RCV, Ltd.
(2)	Mr. Vaughn is the President of Empire (GP), Inc., the general partner of Empire Partners, Ltd. Mr. Vaughn and his spouse are the shareholders of Empire (GP), Inc.
(3)	Mr. Vaughn disclaims beneficial ownership of those common units owned by the Jack C. Vaughn, Jr. Trust in which he does not have a pecuniary interest. Mr. Vaughn is a co-trustee of the trust.
(4)	Mr. Vaughn disclaims beneficial ownership of those common units owned by the Robert C. Vaughn Trust in which he does not have a pecuniary interest. Mr. Vaughn is a co-trustee of the trust.
(5)	Mr. Vaughn disclaims beneficial ownership of those common units owned by the David C. Vaughn Trust in which he does not have a pecuniary interest. Mr. Vaughn is a co-trustee of the trust.
(6)	Mr. Vaughn disclaims beneficial ownership of those common units owned by the Sharon E. Vaughn Trust in which he does not have a pecuniary interest. Mr. Vaughn is a co-trustee of the trust.

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