| Final | time | ___________ | | 1. United States | 4:15.7 | | | E. MacCleary, M. Ellis, N. Templetov, D. de Varona | | 2. Canada | 4:31.7 | | | Patricia Pomfret, Sharon Pierce, Eillen Weir, MAry Pauline Stewart | | 3. Brazil | 4:34.3 | | | Eliane Mota, Maria de Lourdes Teixeira, Angela Paioli, Vera Formiga | | 4. Mexico | 4:39.2 | | | S. Belmar, V. Ortis, M. Paoli, M. Sousa | | 5. Argentina | 4:42.0 | | | S. Peper, A. Marchetti, L. Rubio, L. Hasensein | | 6. Peru | 5:01.8 | | | A. Ganoza, M. Mora, M. Vivanco, P. Gonzales | | -. Venezuela | DNS | |
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