Exhibit 24 THE LOUISIANA LAND AND EXPLORATION COMPANY Power of Attorney The undersigned hereby appoints Jerry D. Carlisle and Frederick J. Plaeger, II, and each of them, the true and lawful attorney of the undersigned, with power to act on behalf of the undersigned, to execute in his name, place and stead in his capacity as an officer or director or both of The Louisiana Land and Exploration Company, a Maryland corporation (the "Company"), such Registration Statement or Registration Statements under the Securities Act of 1933, as amended, on Form S-8 covering the interests of participants in The LL&E Savings Plan (the "Savings Plan"), shares of the Company's Capital Stock, par value $.15 per share ("Capital Stock"), to be issued pursuant to the Savings Plan, the interests of participants in the Company's 1988 Long-Term Stock Incentive Plan (the "Incentive Plan"), and shares of Capital Stock to be issued pursuant to the Incentive Plan, and any amendments to such Registration Statement or Registration Statements (including post-effective amendments or registration statements on Form S-3, or otherwise required in connection with the resale of any Capital Stock), and all instruments necessary or incidental in connection therewith, and to file or cause to be filed such Registration Statement or Registration Statements and amendments thereto (including post-effective amendments or registration statements on Form S-3, or otherwise required in connection with the resale of any Capital Stock) and other instruments with the Securities and Exchange Commission. The said attorney shall have full power and authority to do and perform, in the name and on behalf of the undersigned, every act whatsoever necessary or desirable to be done in the premises, as fully to all intents and purposes as the undersigned could do in person. The undersigned hereby ratifies and approves the actions of said attorney. IN WITNESS WHEREOF, the undersigned has executed this Power of Attorney on the 30th day of September, 1994. /s/ Richard A. Bachmann Richard A. Bachmann THE LOUISIANA LAND AND EXPLORATION COMPANY Power of Attorney The undersigned hereby appoints Richard A. Bachmann and Frederick J. Plaeger, II, and each of them, the true and lawful attorney of the undersigned, with power to act on behalf of the undersigned, to execute in his name, place and stead in his capacity as an officer or director or both of The Louisiana Land and Exploration Company, a Maryland corporation (the "Company"), such Registration Statement or Registration Statements under the Securities Act of 1933, as amended, on Form S-8 covering the interests of participants in The LL&E Savings Plan (the "Savings Plan"), shares of the Company's Capital Stock, par value $.15 per share ("Capital Stock"), to be issued pursuant to the Savings Plan, the interests of participants in the Company's 1988 Long-Term Stock Incentive Plan (the "Incentive Plan"), and shares of Capital Stock to be issued pursuant to the Incentive Plan, and any amendments to such Registration Statement or Registration Statements (including post-effective amendments or registration statements on Form S-3, or otherwise required in connection with the resale of any Capital Stock), and all instruments necessary or incidental in connection therewith, and to file or cause to be filed such Registration Statement or Registration Statements and amendments thereto (including post-effective amendments or registration statements on Form S-3, or otherwise required in connection with the resale of any Capital Stock) and other instruments with the Securities and Exchange Commission. The said attorney shall have full power and authority to do and perform, in the name and on behalf of the undersigned, every act whatsoever necessary or desirable to be done in the premises, as fully to all intents and purposes as the undersigned could do in person. The undersigned hereby ratifies and approves the actions of said attorney. IN WITNESS WHEREOF, the undersigned has executed this Power of Attorney on the 30th day of September, 1994. /s/ Jerry D. Carlisle Jerry D. Carlisle THE LOUISIANA LAND AND EXPLORATION COMPANY Power of Attorney The undersigned hereby appoints Jerry D. Carlisle, Frederick J. Plaeger, II and Richard A. Bachmann, and each of them, the true and lawful attorney of the undersigned, with power to act on behalf of the undersigned, to execute in his name, place and stead in his capacity as an officer or director or both of The Louisiana Land and Exploration Company, a Maryland corporation (the "Company"), such Registration Statement or Registration Statements under the Securities Act of 1933, as amended, on Form S-8 covering the interests of participants in The LL&E Savings Plan (the "Savings Plan"), shares of the Company's Capital Stock, par value $.15 per share ("Capital Stock"), to be issued pursuant to the Savings Plan, the interests of participants in the Company's 1988 Long-Term Stock Incentive Plan (the "Incentive Plan"), and shares of Capital Stock to be issued pursuant to the Incentive Plan, and any amendments to such Registration Statement or Registration Statements (including post-effective amendments or registration statements on Form S-3, or otherwise required in connection with the resale of any Capital Stock), and all instruments necessary or incidental in connection therewith, and to file or cause to be filed such Registration Statement or Registration Statements and amendments thereto (including post-effective amendments or registration statements on Form S-3, or otherwise required in connection with the resale of any Capital Stock) and other instruments with the Securities and Exchange Commission. The said attorney shall have full power and authority to do and perform, in the name and on behalf of the undersigned, every act whatsoever necessary or desirable to be done in the premises, as fully to all intents and purposes as the undersigned could do in person. The undersigned hereby ratifies and approves the actions of said attorney. IN WITNESS WHEREOF, the undersigned has executed this Power of Attorney on the 30th day of September, 1994. /s/ H. L. Steward H. L. Steward THE LOUISIANA LAND AND EXPLORATION COMPANY Power of Attorney The undersigned hereby appoints Jerry D. Carlisle, Frederick J. Plaeger, II and Richard A. Bachmann, and each of them, the true and lawful attorney of the undersigned, with power to act on behalf of the undersigned, to execute in his name, place and stead in his capacity as an officer or director or both of The Louisiana Land and Exploration Company, a Maryland corporation (the "Company"), such Registration Statement or Registration Statements under the Securities Act of 1933, as amended, on Form S-8 covering the interests of participants in The LL&E Savings Plan (the "Savings Plan"), shares of the Company's Capital Stock, par value $.15 per share ("Capital Stock"), to be issued pursuant to the Savings Plan, the interests of participants in the Company's 1988 Long-Term Stock Incentive Plan (the "Incentive Plan"), and shares of Capital Stock to be issued pursuant to the Incentive Plan, and any amendments to such Registration Statement or Registration Statements (including post-effective amendments or registration statements on Form S-3, or otherwise required in connection with the resale of any Capital Stock), and all instruments necessary or incidental in connection therewith, and to file or cause to be filed such Registration Statement or Registration Statements and amendments thereto (including post-effective amendments or registration statements on Form S-3, or otherwise required in connection with the resale of any Capital Stock) and other instruments with the Securities and Exchange Commission. The said attorney shall have full power and authority to do and perform, in the name and on behalf of the undersigned, every act whatsoever necessary or desirable to be done in the premises, as fully to all intents and purposes as the undersigned could do in person. The undersigned hereby ratifies and approves the actions of said attorney. IN WITNESS WHEREOF, the undersigned has executed this Power of Attorney on the 30th day of September, 1994. /s/ Leland C. Adams Leland C. Adams THE LOUISIANA LAND AND EXPLORATION COMPANY Power of Attorney The undersigned hereby appoints Jerry D. Carlisle, Frederick J. Plaeger, II and Richard A. Bachmann, and each of them, the true and lawful attorney of the undersigned, with power to act on behalf of the undersigned, to execute in his name, place and stead in his capacity as an officer or director or both of The Louisiana Land and Exploration Company, a Maryland corporation (the "Company"), such Registration Statement or Registration Statements under the Securities Act of 1933, as amended, on Form S-8 covering the interests of participants in The LL&E Savings Plan (the "Savings Plan"), shares of the Company's Capital Stock, par value $.15 per share ("Capital Stock"), to be issued pursuant to the Savings Plan, the interests of participants in the Company's 1988 Long-Term Stock Incentive Plan (the "Incentive Plan"), and shares of Capital Stock to be issued pursuant to the Incentive Plan, and any amendments to such Registration Statement or Registration Statements (including post-effective amendments or registration statements on Form S-3, or otherwise required in connection with the resale of any Capital Stock), and all instruments necessary or incidental in connection therewith, and to file or cause to be filed such Registration Statement or Registration Statements and amendments thereto (including post-effective amendments or registration statements on Form S-3, or otherwise required in connection with the resale of any Capital Stock) and other instruments with the Securities and Exchange Commission. The said attorney shall have full power and authority to do and perform, in the name and on behalf of the undersigned, every act whatsoever necessary or desirable to be done in the premises, as fully to all intents and purposes as the undersigned could do in person. The undersigned hereby ratifies and approves the actions of said attorney. IN WITNESS WHEREOF, the undersigned has executed this Power of Attorney on the 30th day of September, 1994. /s/ John F. Greene John F. Greene THE LOUISIANA LAND AND EXPLORATION COMPANY Power of Attorney The undersigned hereby appoints Jerry D. Carlisle, Frederick J. Plaeger, II and Richard A. Bachmann, and each of them, the true and lawful attorney of the undersigned, with power to act on behalf of the undersigned, to execute in his name, place and stead in his capacity as an officer or director or both of The Louisiana Land and Exploration Company, a Maryland corporation (the "Company"), such Registration Statement or Registration Statements under the Securities Act of 1933, as amended, on Form S-8 covering the interests of participants in The LL&E Savings Plan (the "Savings Plan"), shares of the Company's Capital Stock, par value $.15 per share ("Capital Stock"), to be issued pursuant to the Savings Plan, the interests of participants in the Company's 1988 Long-Term Stock Incentive Plan (the "Incentive Plan"), and shares of Capital Stock to be issued pursuant to the Incentive Plan, and any amendments to such Registration Statement or Registration Statements (including post-effective amendments or registration statements on Form S-3, or otherwise required in connection with the resale of any Capital Stock), and all instruments necessary or incidental in connection therewith, and to file or cause to be filed such Registration Statement or Registration Statements and amendments thereto (including post-effective amendments or registration statements on Form S-3, or otherwise required in connection with the resale of any Capital Stock) and other instruments with the Securities and Exchange Commission. The said attorney shall have full power and authority to do and perform, in the name and on behalf of the undersigned, every act whatsoever necessary or desirable to be done in the premises, as fully to all intents and purposes as the undersigned could do in person. The undersigned hereby ratifies and approves the actions of said attorney. IN WITNESS WHEREOF, the undersigned has executed this Power of Attorney on the 30th day of September, 1994. /s/ Eamon M. Kelly Eamon M. Kelly THE LOUISIANA LAND AND EXPLORATION COMPANY Power of Attorney The undersigned hereby appoints Jerry D. Carlisle, Frederick J. Plaeger, II and Richard A. Bachmann, and each of them, the true and lawful attorney of the undersigned, with power to act on behalf of the undersigned, to execute in his name, place and stead in his capacity as an officer or director or both of The Louisiana Land and Exploration Company, a Maryland corporation (the "Company"), such Registration Statement or Registration Statements under the Securities Act of 1933, as amended, on Form S-8 covering the interests of participants in The LL&E Savings Plan (the "Savings Plan"), shares of the Company's Capital Stock, par value $.15 per share ("Capital Stock"), to be issued pursuant to the Savings Plan, the interests of participants in the Company's 1988 Long-Term Stock Incentive Plan (the "Incentive Plan"), and shares of Capital Stock to be issued pursuant to the Incentive Plan, and any amendments to such Registration Statement or Registration Statements (including post-effective amendments or registration statements on Form S-3, or otherwise required in connection with the resale of any Capital Stock), and all instruments necessary or incidental in connection therewith, and to file or cause to be filed such Registration Statement or Registration Statements and amendments thereto (including post-effective amendments or registration statements on Form S-3, or otherwise required in connection with the resale of any Capital Stock) and other instruments with the Securities and Exchange Commission. The said attorney shall have full power and authority to do and perform, in the name and on behalf of the undersigned, every act whatsoever necessary or desirable to be done in the premises, as fully to all intents and purposes as the undersigned could do in person. The undersigned hereby ratifies and approves the actions of said attorney. IN WITNESS WHEREOF, the undersigned has executed this Power of Attorney on the 30th day of September, 1994. /s/ Kenneth W. Orce Kenneth W. Orce THE LOUISIANA LAND AND EXPLORATION COMPANY Power of Attorney The undersigned hereby appoints Jerry D. Carlisle, Frederick J. Plaeger, II and Richard A. Bachmann, and each of them, the true and lawful attorney of the undersigned, with power to act on behalf of the undersigned, to execute in his name, place and stead in his capacity as an officer or director or both of The Louisiana Land and Exploration Company, a Maryland corporation (the "Company"), such Registration Statement or Registration Statements under the Securities Act of 1933, as amended, on Form S-8 covering the interests of participants in The LL&E Savings Plan (the "Savings Plan"), shares of the Company's Capital Stock, par value $.15 per share ("Capital Stock"), to be issued pursuant to the Savings Plan, the interests of participants in the Company's 1988 Long-Term Stock Incentive Plan (the "Incentive Plan"), and shares of Capital Stock to be issued pursuant to the Incentive Plan, and any amendments to such Registration Statement or Registration Statements (including post-effective amendments or registration statements on Form S-3, or otherwise required in connection with the resale of any Capital Stock), and all instruments necessary or incidental in connection therewith, and to file or cause to be filed such Registration Statement or Registration Statements and amendments thereto (including post-effective amendments or registration statements on Form S-3, or otherwise required in connection with the resale of any Capital Stock) and other instruments with the Securities and Exchange Commission. The said attorney shall have full power and authority to do and perform, in the name and on behalf of the undersigned, every act whatsoever necessary or desirable to be done in the premises, as fully to all intents and purposes as the undersigned could do in person. The undersigned hereby ratifies and approves the actions of said attorney. IN WITNESS WHEREOF, the undersigned has executed this Power of Attorney on the 30th day of September, 1994. /s/ Victor A. Rice Victor A. Rice THE LOUISIANA LAND AND EXPLORATION COMPANY Power of Attorney The undersigned hereby appoints Jerry D. Carlisle, Frederick J. Plaeger, II and Richard A. Bachmann, and each of them, the true and lawful attorney of the undersigned, with power to act on behalf of the undersigned, to execute in his name, place and stead in his capacity as an officer or director or both of The Louisiana Land and Exploration Company, a Maryland corporation (the "Company"), such Registration Statement or Registration Statements under the Securities Act of 1933, as amended, on Form S-8 covering the interests of participants in The LL&E Savings Plan (the "Savings Plan"), shares of the Company's Capital Stock, par value $.15 per share ("Capital Stock"), to be issued pursuant to the Savings Plan, the interests of participants in the Company's 1988 Long-Term Stock Incentive Plan (the "Incentive Plan"), and shares of Capital Stock to be issued pursuant to the Incentive Plan, and any amendments to such Registration Statement or Registration Statements (including post-effective amendments or registration statements on Form S-3, or otherwise required in connection with the resale of any Capital Stock), and all instruments necessary or incidental in connection therewith, and to file or cause to be filed such Registration Statement or Registration Statements and amendments thereto (including post-effective amendments or registration statements on Form S-3, or otherwise required in connection with the resale of any Capital Stock) and other instruments with the Securities and Exchange Commission. The said attorney shall have full power and authority to do and perform, in the name and on behalf of the undersigned, every act whatsoever necessary or desirable to be done in the premises, as fully to all intents and purposes as the undersigned could do in person. The undersigned hereby ratifies and approves the actions of said attorney. IN WITNESS WHEREOF, the undersigned has executed this Power of Attorney on the 30th day of September, 1994. /s/ Orin R. Smith Orin R. Smith THE LOUISIANA LAND AND EXPLORATION COMPANY Power of Attorney The undersigned hereby appoints Jerry D. Carlisle, Frederick J. Plaeger, II and Richard A. Bachmann, and each of them, the true and lawful attorney of the undersigned, with power to act on behalf of the undersigned, to execute in his name, place and stead in his capacity as an officer or director or both of The Louisiana Land and Exploration Company, a Maryland corporation (the "Company"), such Registration Statement or Registration Statements under the Securities Act of 1933, as amended, on Form S-8 covering the interests of participants in The LL&E Savings Plan (the "Savings Plan"), shares of the Company's Capital Stock, par value $.15 per share ("Capital Stock"), to be issued pursuant to the Savings Plan, the interests of participants in the Company's 1988 Long-Term Stock Incentive Plan (the "Incentive Plan"), and shares of Capital Stock to be issued pursuant to the Incentive Plan, and any amendments to such Registration Statement or Registration Statements (including post-effective amendments or registration statements on Form S-3, or otherwise required in connection with the resale of any Capital Stock), and all instruments necessary or incidental in connection therewith, and to file or cause to be filed such Registration Statement or Registration Statements and amendments thereto (including post-effective amendments or registration statements on Form S-3, or otherwise required in connection with the resale of any Capital Stock) and other instruments with the Securities and Exchange Commission. The said attorney shall have full power and authority to do and perform, in the name and on behalf of the undersigned, every act whatsoever necessary or desirable to be done in the premises, as fully to all intents and purposes as the undersigned could do in person. The undersigned hereby ratifies and approves the actions of said attorney. IN WITNESS WHEREOF, the undersigned has executed this Power of Attorney on the 30th day of September, 1994. /s/ Arthur R. Taylor Arthur R. Taylor THE LOUISIANA LAND AND EXPLORATION COMPANY Power of Attorney The undersigned hereby appoints Jerry D. Carlisle, Frederick J. Plaeger, II and Richard A. Bachmann, and each of them, the true and lawful attorney of the undersigned, with power to act on behalf of the undersigned, to execute in his name, place and stead in his capacity as an officer or director or both of The Louisiana Land and Exploration Company, a Maryland corporation (the "Company"), such Registration Statement or Registration Statements under the Securities Act of 1933, as amended, on Form S-8 covering the interests of participants in The LL&E Savings Plan (the "Savings Plan"), shares of the Company's Capital Stock, par value $.15 per share ("Capital Stock"), to be issued pursuant to the Savings Plan, the interests of participants in the Company's 1988 Long-Term Stock Incentive Plan (the "Incentive Plan"), and shares of Capital Stock to be issued pursuant to the Incentive Plan, and any amendments to such Registration Statement or Registration Statements (including post-effective amendments or registration statements on Form S-3, or otherwise required in connection with the resale of any Capital Stock), and all instruments necessary or incidental in connection therewith, and to file or cause to be filed such Registration Statement or Registration Statements and amendments thereto (including post-effective amendments or registration statements on Form S-3, or otherwise required in connection with the resale of any Capital Stock) and other instruments with the Securities and Exchange Commission. The said attorney shall have full power and authority to do and perform, in the name and on behalf of the undersigned, every act whatsoever necessary or desirable to be done in the premises, as fully to all intents and purposes as the undersigned could do in person. The undersigned hereby ratifies and approves the actions of said attorney. IN WITNESS WHEREOF, the undersigned has executed this Power of Attorney on the 4th day of October, 1994. /s/ W.R. Timken, Jr. W.R. Timken, Jr. THE LOUISIANA LAND AND EXPLORATION COMPANY Power of Attorney The undersigned hereby appoints Jerry D. Carlisle, Federick J. Plaeger, II and Richard A. Bachmann, and each of them, the true and lawful attorney of the undersigned, with power to act on behalf of the undersigned, to execute in his name, place and stead in his capacity as an officer or director or both of The Louisiana Land and Exploration Company, a Maryland corporation (the "Company"), such Registration Statement or Registration Statements under the Securities Act of 1933, as amended, on Form S-8 covering the interests of participants in The LL&E Savings Plan (the "Savings Plan"), shares of the Company's Capital Stock, par value $.15 per share ("Capital Stock"), to be issued pursuant to the Savings Plan, the interests of participants in the Company's 1988 Long-Term Stock Incentive Plan (the "Incentive Plan"), and shares of Capital Stock to be issued pursuant to the Incentive Plan, and any amendments to such Registration Statement or Registration Statements (including post-effective amendments or registration statements on Form S-3, or otherwise required in connection with the resale of any Capital Stock), and all instruments necessary or incidental in connection therewith, and to file or cause to be filed such Registration Statement or Registration Statements and amendments thereto (including post-effective amendments or registration statements on Form S-3, or otherwise required in connection with the resale of any Capital Stock) and other instruments with the Securities and Exchange Commission. The said attorney shall have full power and authority to do and perform, in the name and on behalf of the undersigned, every act whatsoever necessary or desirable to be done in the premises, as fully to all intents and purposes as the undersigned could do in person. The undersigned hereby ratifies and approves the actions of said attorney. IN WITNESS WHEREOF, the undersigned has executed this Power of Attorney on the 30th day of September, 1994. /s/ Carlisle A.H. Trost Carlisle A.H. Trost THE LOUISIANA LAND AND EXPLORATION COMPANY Power of Attorney The undersigned hereby appoints Jerry D. Carlisle, Frederick J. Plaeger, II and Richard A. Bachmann, and each of them, the true and lawful attorney of the undersigned, with power to act on behalf of the undersigned, to execute in his name, place and stead in his capacity as an officer or director or both of The Louisiana Land and Exploration Company, a Maryland corporation (the "Company"), such Registration Statement or Registration Statements under the Securities Act of 1933, as amended, on Form S-8 covering the interests of participants in The LL&E Savings Plan (the "Savings Plan"), shares of the Company's Capital Stock, par value $.15 per share ("Capital Stock"), to be issued pursuant to the Savings Plan, the interests of participants in the Company's 1988 Long-Term Stock Incentive Plan (the "Incentive Plan"), and shares of Capital Stock to be issued pursuant to the Incentive Plan, and any amendments to such Registration Statement or Registration Statements (including post-effective amendments or registration statements on Form S-3, or otherwise required in connection with the resale of any Capital Stock), and all instruments necessary or incidental in connection therewith, and to file or cause to be filed such Registration Statement or Registration Statements and amendments thereto (including post-effective amendments or registration statements on Form S-3, or otherwise required in connection with the resale of any Capital Stock) and other instruments with the Securities and Exchange Commission. The said attorney shall have full power and authority to do and perform, in the name and on behalf of the undersigned, every act whatsoever necessary or desirable to be done in the premises, as fully to all intents and purposes as the undersigned could do in person. The undersigned hereby ratifies and approves the actions of said attorney. IN WITNESS WHEREOF, the undersigned has executed this Power of Attorney on the 30th day of September, 1994. /s/ E.L. Williamson E.L. Williamson