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, 2004 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 August 4, 2004 [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: 50 Form 13F Information Table Value Total: $ 504,988 (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> WILLIAMS COMPANIES, COM 969457100 2,380 200,000 SH SOLE 200,000 AGL RESOURCES INC. COM 001204106 7,262 250,000 SH SOLE 250,000 AIR PRODUCTS & CHEMICA COM 009158106 6,556 125,000 SH SOLE 125,000 ALBEMARLE CORP. COM 012653101 1,533 48,450 SH SOLE 48,450 AMERADA HESS CORP COM 023551104 9,899 125,000 SH SOLE 125,000 APACHE CORP. COM 037411105 8,274 190,000 SH SOLE 190,000 AQUA AMERICA, INC. COM 03836W103 6,466 322,500 SH SOLE 322,500 ARCH COAL INC. COM 039380100 9,148 250,000 SH SOLE 250,000 BAKER HUGHES, INC.. COM 057224107 4,894 130,000 SH SOLE 130,000 BJ SERVICES CO. COM 055482103 16,961 370,000 SH SOLE 370,000 BOISE CASCADE ACES 7.5 PFD CV 097383855 2,690 51,000 SH SOLE 51,000 BOISE CASCADE CORP. COM 097383103 7,716 205,000 SH SOLE 205,000 BP P.L.C. SPONSORED ADR055622104 32,142 600,000 SH SOLE 600,000 BURLINGTON RESOURCES I COM 122014103 9,653 266,800 SH SOLE 266,800 CHEVRONTEXACO CORP. COM 166764100 25,410 270,000 SH SOLE 270,000 CONOCOPHILLIPS COM 20825C104 22,887 300,000 SH SOLE 300,000 DEVON ENERGY CORP. COM 25179M103 13,116 198,720 SH SOLE 198,720 DUKE ENERGY CORP. COM 264399106 4,416 217,624 SH SOLE 217,624 DUPONT EI DE NEMOURS COM 263534109 7,774 175,000 SH SOLE 175,000 ENERGEN CORP. COM 29265N108 9,598 200,000 SH SOLE 200,000 EOG RESOURCES INC. COM 26875P101 11,942 200,000 SH SOLE 200,000 EQUITABLE RESOURCES IN COM 294549100 12,927 250,000 SH SOLE 250,000 EXXON MOBIL CORP. COM 30231G102 46,630 1,050,000 SH SOLE 1,050,000 GENERAL ELECTRIC CO. COM 369604103 14,736 454,800 SH SOLE 454,800 GLOBALSANTAFE CORP. COM G3930E101 5,300 200,000 SH SOLE 200,000 GRANT PRIDECO INC COM 38821G101 5,686 308,000 SH SOLE 308,000 INGERSOLL-RAND CO. LTD CL A G4776G101 5,219 76,400 SH SOLE 76,400 KERR-MCGEE CORP. COM 492386107 9,526 177,153 SH SOLE 177,153 KEYSPAN CORP. COM 49337W100 8,074 220,000 SH SOLE 220,000 MDU RESOURCES GROUP, I COM 552690109 7,209 300,000 SH SOLE 300,000 MURPHY OIL CORP. COM 626717102 4,791 65,000 SH SOLE 65,000 NABORS INDUSTRIES, LTD COM G6359F103 5,652 125,000 SH SOLE 125,000 NATIONAL FUEL GAS CO. COM 636180101 5,000 200,000 SH SOLE 200,000 NEW JERSEY RESOURCES C COM 646025106 11,538 277,500 SH SOLE 277,500 NOBLE CORP COM G65422100 5,115 135,000 SH SOLE 135,000 NOBLE ENERGY INC. COM 655044105 7,191 141,000 SH SOLE 141,000 OCCIDENTAL PETROLEUM C COM 674599105 9,682 200,000 SH SOLE 200,000 PIONEER NATURAL RESOUR COM 723787107 11,085 316,000 SH SOLE 316,000 QUESTAR CORP COM 748356102 7,728 200,000 SH SOLE 200,000 ROHM & HAAS CO. COM 775371107 8,316 200,000 SH SOLE 200,000 ROYAL DUTCH PETROLEUM, Y REG EUR .56780257804 20,668 400,000 SH SOLE 400,000 SCHLUMBERGER LTD COM 806857108 17,783 280,000 SH SOLE 280,000 SHELL TRANSPORT & TRAD DR NY SHS NEW822703609 6,034 135,000 SH SOLE 135,000 SMURFIT-STONE CONTAINE COM 832727101 5,559 278,668 SH SOLE 278,668 TEMPLE-INLAND, INC. COM 879868107 7,271 105,000 SH SOLE 105,000 TOTAL S.A. SPONSORED ADR89151E109 13,451 140,000 SH SOLE 140,000 UNOCAL CAPITAL TRUST PFD CV 91528T207 3,777 72,540 SH SOLE 72,540 WEATHERFORD INT'L. LTD COM G95089101 9,221 205,000 SH SOLE 205,000 WILLIAMS FELINE PACS D PFD CV 969457886 1,654 120,000 SH SOLE 120,000 XTO ENERGY COM 98385X106 7,447 250,000 SH SOLE 250,000 504,988