1441. Rio Las Horqueterias (32.1S, 69.75W) San Juan, Stream 1442. Rio Las Lajas (28.08S, 67.52W) Catamarca, Stream 1443. Rio Las Mondacas (30.9S, 70.03W) San Juan, Intermittent Stream 1444. Rio Las Moraditas (30.4S, 67.4W) San Juan, Intermittent Stream 1445. Rio Las Peladas (27.12S, 68.12W) Catamarca, Stream 1446. Rio Lasifashaj (54.88S, 67.37W) Tierra del Fuego, Antartida e Islas del Atlantico Sur, Stream 1447. Rio Lasitashaj (54.88S, 67.37W) Tierra del Fuego, Antartida e Islas del Atlantico Sur, Stream 1448. Rio Lateros (31.27S, 68.23W) San Juan, Intermittent Stream 1449. Rio Lavaderas (29.58S, 69.2W) San Juan, Stream 1450. Rio Lavallen (24.2S, 64.72W) , Stream 1451. Rio Lavas (48.92S, 71.55W) Santa Cruz, Stream 1452. Rio Lavayen (24.2S, 64.72W) , Stream 1453. Rio Ledesma (23.92S, 64.67W) Jujuy, Stream 1454. Rio Leleque (42.33S, 71.05W) Chubut, Stream 1455. Rio Leon (24.03S, 65.42W) Jujuy, Stream 1456. Rio Lepa (42.7S, 70.5W) Chubut, Stream 1457. Rio Leppa (42.7S, 70.5W) Chubut, Stream 1458. Rio Leticia (54.62S, 66W) Tierra del Fuego, Antartida e Islas del Atlantico Sur, Stream 1459. Rio Libi (22.9S, 66.85W) Jujuy, Stream 1460. Rio Lileo (37.23S, 70.72W) Neuquen, Stream 1461. Rio Limay (38.98S, 68W) , Stream 1462. Rio Lipecito (22.43S, 64.57W) Salta, Stream 1463. Rio Lipeo (22.43S, 64.53W) Salta, Stream 1464. Rio Liquimallo (26.67S, 65.53W) Tucuman, Stream 1465. Rio Lista (48.28S, 71.55W) Santa Cruz, Stream 1466. Rio Litran (38.93S, 71.08W) Neuquen, Stream 1467. Rio Lizoite (22.28S, 64.97W) Salta, Stream 1468. Rio Lopez (54.98S, 66.38W) Tierra del Fuego, Antartida e Islas del Atlantico Sur, Stream 1469. Rio Lorohuasi (25.9S, 64.97W) Salta, Stream 1470. Rio Los Alerces (42.73S, 72W) Chubut, Stream 1471. Rio Los Antiguos (46.53S, 71.63W) Santa Cruz, Stream 1472. Rio Los Cedros (24.45S, 65.27W) Jujuy, Stream 1473. Rio Los Dos Rios (30.9S, 64W) Cordoba, Stream 1474. Rio Los Morteritos (31.72S, 67.95W) San Juan, Intermittent Stream 1475. Rio Los Patos (30.8S, 70.17W) San Juan, Stream 1476. Rio Los Sauces (32.47S, 64.5W) Cordoba, Stream 1477. Rio Lozano (24.07S, 65.38W) Jujuy, Stream 1478. Rio Lujan (32.2S, 65.92W) San Luis, Stream 1479. Rio Lujan (34.44S, 58.55W) Buenos Aires, Stream 1480. Rio Lujan (34.29S, 58.92W) Buenos Aires, Populated Place | 1481. Rio Lules (27.03S, 65.25W) Tucuman, Stream 1482. Rio Luluara (32.77S, 65.65W) San Luis, Stream 1483. Rio Luracatao (25.42S, 66.25W) Salta, Stream 1484. Rio Luz (54.63S, 65.65W) Tierra del Fuego, Antartida e Islas del Atlantico Sur, Stream 1485. Rio Mac Lenan (53.85S, 68.07W) Tierra del Fuego, Antartida e Islas del Atlantico Sur, Stream 1486. Rio Mac Lennan (53.85S, 68.07W) Tierra del Fuego, Antartida e Islas del Atlantico Sur, Stream 1487. Rio Macia (49.15S, 72.38W) Santa Cruz, Stream 1488. Rio Magaik (26.02S, 58.9W) Formosa, Stream 1489. Rio Maiz Gordo (24.4S, 64.03W) , Stream 1490. Rio Malargue (35.53S, 69.27W) Mendoza, Stream 1491. Rio Malbarco (36.85S, 70.7W) Neuquen, Stream 1492. Rio Malenguena (54.52S, 66.3W) Tierra del Fuego, Antartida e Islas del Atlantico Sur, Stream 1493. Rio Malleo (39.83S, 70.88W) Neuquen, Stream 1494. Rio Malleu (39.83S, 70.88W) Neuquen, Stream 1495. Rio Malo (31.65S, 70.1W) San Juan, Stream 1496. Rio Malo (50.42S, 72.7W) Santa Cruz, Stream 1497. Rio Manantiales (30.95S, 69.93W) San Juan, Intermittent Stream 1498. Rio Mandalo (27.13S, 65.48W) Tucuman, Stream 1499. Rio Mandolo (27.13S, 65.48W) Tucuman, Stream 1500. Rio Manrique (31.05S, 69.52W) San Juan, Stream 1501. Rio Manzano (25.02S, 65.6W) Salta, Stream 1502. Rio Manzano (30.7S, 64.18W) Cordoba, Populated Place 1503. Rio Marambas (25.9S, 54.6W) Misiones, Stream 1504. Rio Marapa (27.57S, 65.03W) Tucuman, Stream 1505. Rio Martinez de Rosas (48.88S, 72.75W) Santa Cruz, Stream 1506. Rio Martinez de Rozas (48.88S, 72.75W) Santa Cruz, Stream 1507. Rio Matadero (28.87S, 67.75W) La Rioja, Stream 1508. Rio Mataderos (34.64S, 58.38W) Buenos Aires, Stream 1509. Rio Matancilla (28.7S, 68.68W) La Rioja, Stream 1510. Rio Matancilla (31.6S, 70.17W) San Juan, Stream 1511. Rio Matancillos (31.6S, 70.17W) San Juan, Stream 1512. Rio Matanza (34.64S, 58.38W) Buenos Aires, Stream 1513. Rio Matanza (34.64S, 58.38W) Buenos Aires, Stream 1514. Rio Matas Negias (49.98S, 72.15W) Santa Cruz, Stream 1515. Rio Matas Negras (49.98S, 72.15W) Santa Cruz, Stream 1516. Rio Matazambi (27.5S, 65.35W) Tucuman, Stream 1517. Rio Mayo (45.77S, 69.72W) Chubut, Stream 1518. Rio Mayo (45.68S, 70.27W) Chubut, Populated Place 1519. Rio Mayuyana (28.82S, 67.4W) La Rioja, Intermittent Stream 1520. Rio Medina (26.6S, 65.03W) Tucuman, Stream |