SEC FORM 3 SEC Form 3
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
or Section 30(h) of the Investment Company Act of 1940
OMB APPROVAL
OMB Number: 3235-0104
Estimated average burden
hours per response: 0.5
1. Name and Address of Reporting Person*
Ables Dorothy M

(Last) (First) (Middle)
2710 WYCLIFF ROAD

(Street)
RALEIGH NC 27607

(City) (State) (Zip)
2. Date of Event Requiring Statement (Month/Day/Year)
11/05/2018
3. Issuer Name and Ticker or Trading Symbol
MARTIN MARIETTA MATERIALS INC [ MLM ]
4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
X Director 10% Owner
Officer (give title below) Other (specify below)
5. If Amendment, Date of 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
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 0 D
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: 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
Explanation of Responses:
Remarks:
Exhibit 24.1 - Power of Attorney
/s/ Roselyn R. Bar, attorney-in-fact 11/07/2018
** Signature of Reporting Person Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* 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).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
DOROTHY M. ABLES
LIMITED POWER OF ATTORNEY FOR
SECTION 16 REPORTING OBLIGATIONS

     Know all by these presents, that the undersigned hereby 
makes, constitutes and appoints each of Roselyn R. Bar and M. 
Guy Brooks, III, each acting individually, as the 
undersigned's true and lawful attorney-in-fact, with full 
power and authority as hereinafter described on behalf of and 
in the name, place and stead of the undersigned to:

     (1)  prepare, execute, acknowledge, deliver and file 
Forms 3, 4, and 5 (including any amendments thereto and 
including any Forms 144) with respect to the securities of 
Martin Marietta Materials, Inc. a North Carolina corporation 
(the "Company"), with the United States Securities and 
Exchange Commission, any national securities exchanges and the 
Company, as considered necessary or advisable under 
Section 16(a) of the Securities Exchange Act of 1934 and the 
rules and regulations promulgated thereunder, as amended from 
time to time (the "Exchange Act");

     (2)  seek or obtain, as the undersigned's representative 
and on the undersigned's behalf, information on transactions 
in the Company's securities from any third party, including 
brokers, employee benefit plan administrators and trustees, 
and the undersigned hereby
 authorizes any such person to 
release any such information to the undersigned and approves 
and ratifies any such release of information; and

     (3)  perform any and all other acts which in the 
discretion of such attorney-in-fact are necessary or desirable 
for and on behalf of the undersigned in connection with the 
foregoing.
The undersigned acknowledges that:

     (1)  this Power of Attorney authorizes, but does not 
require, each such attorney-in-fact to act in their discretion 
on information provided to such attorney-in-fact without 
independent verification of such information;

     (2)  any documents prepared and/or executed by either 
such attorney-in-fact on behalf of the undersigned pursuant to 
this Power of Attorney will be in such form and will contain 
such information and disclosure as such attorney-in-fact, in 
his or her discretion, deems necessary or desirable;

     (3)  neither the Company nor either of such attorneys-in-
fact assumes (i) any liability for the undersigned's 
responsibility to comply with the requirement of the Exchange 
Act, (ii) any liability of the undersigned for any failure to 
comply with such requirements, or (iii) any obligation or 
liability of the undersigned for profit disgorgement under 
Section 16(b) of the Exchange Act; and

     (4)  this Power of Attorney does not relieve the 
undersigned from responsibility for compliance with the 
undersigned's obligations under the Exchange Act, including 
without limitation the reporting requirements under Section 16 
of the Exchange Act.

     The  undersigned hereby gives and grants each of the 
foregoing attorneys-in-fact full power and authority to do and 
perform all and every act and thing whatsoever requisite, 
necessary or appropriate to be done in and about the foregoing 
matters as fully to all intents and purposes as the 
undersigned might or could do if present, hereby ratifying all 
that each such attorney-in-fact of, for and on behalf of the 
undersigned, shall lawfully do or cause to be done by virtue 
of this Limited Power of Attorney.

     This Power of Attorney shall remain in full force and 
effect until revoked by the undersigned in a signed writing 
delivered to each such attorney-in-fact.

     IN WITNESS WHEREOF, the undersigned has caused this Power 
of Attorney to be executed as of this 5th day of November, 2018.


                         _/s/_Dorothy_M._Ables_____
                         DOROTHY M. ABLES