0000033213-97-000019 S-3 1 19970723 NYSE PHLX EQUITABLE RESOURCES INC /PA/ 0000033213 4923 250464690 PA 1231 S-3 33 333-31877 97644215 420 BLVD OF THE ALLIES PITTSBURGH PA 15219 4122613000 420 BOULEVARD OF THE ALLIES PITTSBURGH PA 15219 EQUITABLE GAS CO 19841120 S-3 1 000003321397000019-001-seq1-s-3.txt FORM S-3 TO THE SEC