UNITED STATES SECURITIES & EXCHANGE COMMISSION Washington, D.C. 20549 Form 13F Form 13F COVER PAGE Report for the Calendar Year or Quarter Ended June 30, 2003 Check here if Amendment [ ]; Amendment Number: This amendment (Check only one.) : [ ] is a restatement [ ] adds new holdings entries. Institutional Investment Manager Filing this Report: Name: Petroleum & Resources Corporation Address: 7 St. Paul Street, Suite 1140 Baltimore, MD 21202 Form 13F File Number: 28-293 The institutional investment manager filing this report and the person by whom it is signed hereby represent that the person signing the report is authorized to submit it, that all information contained herein is true, correct and complete, and that it is understood that all required items, statements, schedules, lists,and tables, are considered integral parts of this form. Person Signing this Report on Behalf of Reporting Manager: Name: Christine M. Sloan Title: Assistant Treasurer Phone: (410) 752-5900 Signature, Place, and Date of Signing: Christine M. Sloan Baltimore, MD July 18, 2003 [Signature] [City, State] [Date] Report Type (Check only one.): [X] 13F HOLDINGS REPORT. (Check here if all holdings of this reporting manager are reported in this report.) [ ] 13F NOTICE. (Check here if no holdings reported are in this report, and all holdings are reported by other [ ] 13F COMBINATION REPORT. (Check here if a portion of the holdings for this reporting manager are reported in this report and a portion are reported by other reporting manager (s).) List of Other Managers Reporting for this Manager: Form 13F File Number Name 28 [Repeat as necessary.] Form 13F SUMMARY PAGE Report Summary: Number of Other Included Managers: 0 Form 13F Information Table Entry Total: 56 Form 13F Information Table Value Total: $ 412,184 (in thousands) List of Other Included Managers: Provide a numbered list of the name (s) and Form 13F file number(s) of all institutional investment managers with respect to which this report is filed, other than the manager filing this report. [If there are no entries in this list, state "NONE" and omit the column headings and list entries.] No. Form 13-F File No. Name 28- [Repeat as necessary.] COLUMN 1 COLUMN 2 COLUMN 3 COLUMN 4 COLUMN 5 COLUMN 6COLUMN 7 COLUMN 8 NAME OF ISSUER TITLE OF CLASS CUSIP VALUE IN SHARES/PRN SH/ PUT/ INVSTM OTHER VOTING AUTHORITY 000's AMOUNT PRN CALLDISCRETNMANAGERS SOLE SHARED NONE >C> ALBEMARLE CORP. COM 012653101 5,594 200,000 SH SOLE 200,000 AMERADA HESS CORP COM 023551104 2,459 50,000 SH SOLE 50,000 ANADARKO PETROLEUM COR COM 032511107 2,446 55,000 SH SOLE 55,000 APACHE CORP. COM 037411105 9,564 147,000 SH SOLE 147,000 ARCH COAL INC. COM 039380100 5,745 250,000 SH SOLE 250,000 ATMOS ENERGY CORP. COM 049560105 3,460 139,500 SH SOLE 139,500 BAKER HUGHES, INC.. COM 057224107 4,364 130,000 SH SOLE 130,000 BJ SERVICES CO. COM 055482103 14,197 380,000 SH SOLE 380,000 BOISE CASCADE ACES 7.5 PFD CV 097383855 2,103 51,000 SH SOLE 51,000 BOISE CASCADE CORP. COM 097383103 4,900 205,000 SH SOLE 205,000 BP P.L.C. SPONSORED ADR055622104 21,010 500,000 SH SOLE 500,000 CHEVRONTEXACO CORP. COM 166764100 21,660 300,000 SH SOLE 300,000 CONOCOPHILLIPS COM 20825C104 10,960 200,000 SH SOLE 200,000 CORE LABORATORIES N.V. COM N22717107 810 75,000 SH SOLE 75,000 DEVON ENERGY CORP. COM 25179M103 10,612 198,720 SH SOLE 198,720 DUKE ENERGY 8.25% DUE PFD CV 264399585 2,538 160,000 SH SOLE 160,000 DUKE ENERGY CORP. COM 264399106 2,294 115,000 SH SOLE 115,000 EL PASO CORP. COM 28336L109 1,697 210,000 SH SOLE 210,000 ENERGEN CORP. COM 29265N108 8,325 250,000 SH SOLE 250,000 EOG RESOURCES INC. COM 26875P101 8,368 200,000 SH SOLE 200,000 EQUITABLE RESOURCES IN COM 294549100 12,222 300,000 SH SOLE 300,000 EXXON MOBIL CORP. COM 30231G102 37,706 1,050,000 SH SOLE 1,050,000 GENERAL ELECTRIC CO. COM 369604103 10,038 350,000 SH SOLE 350,000 GLOBALSANTAFE CORP. COM G3930E101 4,668 200,000 SH SOLE 200,000 GRANT PRIDECO INC COM 38821G101 3,619 308,000 SH SOLE 308,000 INGERSOLL-RAND CO. LTD CL A G4776G101 4,732 100,000 SH SOLE 100,000 KERR-MCGEE CORP. COM 492386107 7,936 177,153 SH SOLE 177,153 KEYSPAN CORP. COM 49337W100 7,799 220,000 SH SOLE 220,000 KINDER MORGAN INC COM 49455P101 8,881 162,500 SH SOLE 162,500 MDU RESOURCES GROUP, I COM 552690109 6,698 200,000 SH SOLE 200,000 MEADWESTVACO CORP. COM 583334107 1,482 60,000 SH SOLE 60,000 MURPHY OIL CORP. COM 626717102 7,364 140,000 SH SOLE 140,000 NABORS INDUSTRIES, LTD COM G6359F103 4,944 125,000 SH SOLE 125,000 NATIONAL FUEL GAS CO. COM 636180101 5,210 200,000 SH SOLE 200,000 NEW JERSEY RESOURCES C COM 646025106 9,851 277,500 SH SOLE 277,500 NOBLE CORP COM G65422100 4,631 135,000 SH SOLE 135,000 NOBLE ENERGY INC. COM 655044105 4,725 125,000 SH SOLE 125,000 NORTHWESTERN CORP COM 668074107 33 16,500 SH SOLE 16,500 OCCIDENTAL PETROLEUM C COM 674599105 5,871 175,000 SH SOLE 175,000 PHILADELPHIA SUBURBAN COM PAR $0.50718009608 7,436 305,000 SH SOLE 305,000 PIONEER NATURAL RESOUR COM 723787107 6,134 235,000 SH SOLE 235,000 QUESTAR CORP COM 748356102 8,970 268,000 SH SOLE 268,000 ROHM & HAAS CO. COM 775371107 6,206 200,000 SH SOLE 200,000 ROYAL DUTCH PETROLEUM, Y REG EUR .56780257804 30,769 660,000 SH SOLE 660,000 SCHLUMBERGER LTD COM 806857108 10,703 225,000 SH SOLE 225,000 SHELL TRANSPORT & TRAD DR NY SHS NEW822703609 5,978 150,000 SH SOLE 150,000 STONE ENERGY CORP. COM 861642106 4,372 104,300 SH SOLE 104,300 TECO ENERGY, INC COM 872375100 2,398 200,000 SH SOLE 200,000 TEMPLE-INLAND, INC. COM 879868107 5,149 120,000 SH SOLE 120,000 THE WILLIAMS COMPANIES COM 969457100 1,580 200,000 SH SOLE 200,000 TOTAL S.A. SPONSORED ADR89151E109 10,612 140,000 SH SOLE 140,000 TRANSOCEAN INC. ORD G90078109 2,417 110,000 SH SOLE 110,000 UNOCAL CAPITAL TRUST PFD CV 91528T207 3,568 72,540 SH SOLE 72,540 UNOCAL CORP. COM 915289102 4,304 150,000 SH SOLE 150,000 WEATHERFORD INT'L. LTD COM G95089101 8,590 205,000 SH SOLE 205,000 WILLIAMS FELINE PACS D PFD CV 969457886 1,482 120,000 SH SOLE 120,000 412,184