0001047469-03-033444 S-3 5 20031016 MAGELLAN MIDSTREAM PARTNERS LP 0001126975 4610 731599053 DE 1231 S-3 33 333-109732 03942674 P O BOX 22186 TULSA OK 74121-2186 918 574 7000 ONE WILLIAMS CENTER TULSA OK 74172 WILLIAMS ENERGY PARTNERS L P 20001024 S-3 1 a2118096zs-3.htm S-3 EX-5.1 3 a2118096zex-5_1.htm EX-5.1 EX-8.1 4 a2118096zex-8_1.htm EX-8.1 EX-23.1 5 a2118096zex-23_1.htm EX-23.1 EX-24.1 6 a2118096zex-24_1.htm EXHIBIT 24.1