11841. Rio Martins (24.64S, 48.29W) Sao Paulo, Stream 11842. Rio Maru (8.15S, 70.75W) Acre, Stream 11843. Rio Marua (3.4N, 60.58W) Roraima, Stream 11844. Rio Maruanum (0.18N, 51.2W) Amapa, Stream 11845. Rio Marumbi (23.77S, 51.58W) Parana, Stream 11846. Rio Marupi (3.2N, 52.23W) Amapa, Stream 11847. Rio Marupi (4.17S, 45.35W) Maranhao, Stream 11848. Rio Mary (7.08S, 64.57W) Amazonas, Stream 11849. Rio Marzagao (14.63S, 55.93W) Mato Grosso, Stream 11850. Rio Massaca (10.95S, 39.52W) Bahia, Intermittent Stream 11851. Rio Massacara (11.1S, 38.48W) Bahia, Intermittent Stream 11852. Rio Massacary (10.95S, 39.52W) Bahia, Intermittent Stream 11853. Rio Massangana (9.7S, 63.12W) Rondonia, Stream 11854. Rio Massiambu (27.83S, 48.62W) Santa Catarina, Stream 11855. Rio Massiambu Grande (27.81S, 48.64W) Santa Catarina, Stream 11856. Rio Massiambu Pequeno (27.81S, 48.65W) Santa Catarina, Stream 11857. Rio Massipira (8.15S, 69.98W) , Stream 11858. Rio Mata Verde (9.58S, 36.37W) Alagoas, Intermittent Stream 11859. Rio Matapi (0.05S, 51.2W) Amapa, Stream 11860. Rio Matapy (0.05S, 51.2W) Amapa, Stream 11861. Rio Matari (1.7S, 52.2W) Para, Stream 11862. Rio Mataripe (12.6S, 38.65W) Bahia, Stream 11863. Rio Mataruna (22.88S, 42.33W) Rio de Janeiro, Stream 11864. Rio Mataura (5.5S, 60.76W) Amazonas, Stream 11865. Rio Matim (0.24N, 60.67W) Roraima, Stream 11866. Rio Matipo (19.88S, 42.55W) Minas Gerais, Stream 11867. Rio Matrincha (16.88S, 52.73W) Goias, Stream 11868. Rio Matrincha (14.5S, 53.62W) Mato Grosso, Stream 11869. Rio Matrincha (8.93S, 58.55W) Mato Grosso, Stream 11870. Rio Matuaca (0.23S, 51.42W) Amapa, Stream 11871. Rio Matuperi (4.41S, 59.84W) Amazonas, Stream 11872. Rio Matupiri (4.54S, 60.47W) Amazonas, Stream 11873. Rio Maturaio de Cima (5.48S, 35.28W) Rio Grande do Norte, Stream 11874. Rio Mau (0.82S, 47.72W) Para, Stream 11875. Rio Mau (3.55N, 59.85W) , Stream 11876. Rio Maua (1.05S, 48.92W) Para, Stream 11877. Rio Maue-assu (3.37S, 57.73W) Amazonas, Stream 11878. Rio Maue-mirim (3.33S, 57.68W) Amazonas, Stream 11879. Rio Maues (3.37S, 57.73W) Amazonas, Stream 11880. Rio Maues Acu (3.37S, 57.73W) Amazonas, Stream | 11881. Rio Maues Guacu (3.37S, 57.73W) Amazonas, Stream 11882. Rio Maues Guassu (3.37S, 57.73W) Amazonas, Stream 11883. Rio Mauesmirim (3.33S, 57.68W) Amazonas, Stream 11884. Rio Mauitzi (3.83N, 60.5W) Roraima, Stream 11885. Rio Mauricia (22.48S, 41.93W) Rio de Janeiro, Stream 11886. Rio Maxanguape (5.5S, 35.27W) Rio Grande do Norte, Stream 11887. Rio Maxaranguape (5.5S, 35.27W) Rio Grande do Norte, Stream 11888. Rio Maxaua (9.22S, 68.73W) Acre, Stream 11889. Rio Maycuru (2.08S, 54.07W) Para, Stream 11890. Rio Mayor Dantas (9.88S, 71.48W) , Stream 11891. Rio Mayuary (1.59S, 69.31W) Amazonas, Stream 11892. Rio Mazagao (0.27S, 51.35W) Amapa, Stream 11893. Rio Mazomba (22.88S, 43.75W) Rio de Janeiro, Stream 11894. Rio Mbaracaia (13.1S, 51.17W) Mato Grosso, Stream 11895. Rio Meang (4.22N, 60.8W) Roraima, Stream 11896. Rio Mearim (3.07S, 44.58W) Maranhao, Stream 11897. Rio Medonho (8.98S, 45.97W) Maranhao, Stream 11898. Rio Meia Ponte (18.53S, 49.6W) Goias, Stream 11899. Rio Meier (13.95S, 54.27W) Mato Grosso, Stream 11900. Rio Meirim (9.55S, 35.62W) Alagoas, Stream 11901. Rio Melchior (15.93S, 48.23W) Distrito Federal, Stream 11902. Rio Melgaco (20.28S, 40.73W) Espirito Santo, Stream 11903. Rio Melgaco (12.52S, 60.3W) Rondonia, Stream 11904. Rio Melissa (24.53S, 53.17W) Parana, Stream 11905. Rio Melo Nunes (2.83N, 63.2W) Roraima, Stream 11906. Rio Membeca (12.77S, 57.45W) Mato Grosso, Stream 11907. Rio Mereti (22.83S, 43.36W) Rio de Janeiro, Stream 11908. Rio Merinho (22.86S, 43.41W) Rio de Janeiro, Stream 11909. Rio Meriti (22.83S, 43.36W) Rio de Janeiro, Stream 11910. Rio Meruu (1.98S, 49.05W) Para, Stream 11911. Rio Mesquita (16.27S, 47.77W) , Stream 11912. Rio Meuau (1.63S, 66.18W) Amazonas, Stream 11913. Rio Miang (4.22N, 60.8W) Roraima, Stream 11914. Rio Miguel Castro (12.7S, 56.83W) Mato Grosso, Stream 11915. Rio Mimoso (8.08S, 36.47W) Pernambuco, Intermittent Stream 11916. Rio Minador (14.18S, 43.07W) Bahia, Intermittent Stream 11917. Rio Mineruazinho (3.05S, 66.07W) Amazonas, Stream 11918. Rio Mirador (14.18S, 43.07W) Bahia, Intermittent Stream 11919. Rio Miranda (19.42S, 57.33W) Mato Grosso do Sul, Stream 11920. Rio Mirapuxi (13.1S, 51.17W) Mato Grosso, Stream |