Rio Abacaxis, Amazonas, Brazil Rio Abaeté, Pará, Brazil Rio Abaeté, Minas Gerais, Brazil Rio Açaituba, Pará, Brazil Rio Acanauê, Amazonas, Brazil Rio Acanauê, Amazonas, Brazil Rio Acanauê, Amazonas, Brazil Rio Acangatá, Pará, Brazil Río Acaponeta, Nayarit, Mexico Río Acaponeta, Nayarit, Mexico Río Acaponeta, Nayarit, Mexico Río Acaponeta, Nayarit, Mexico Rio Acapu, Pará, Brazil Rio Acará, Pará, Brazil Rio Acará Grande, Amazonas, Brazil Rio Acaraí, Pará, Brazil Rio Acará-Mirim, Pará, Brazil Rio Acari, Amazonas, Brazil Río Actopan Rio Açu Grande, Maranhão, Brazil Rio Açuã, Amazonas, Brazil Rio Acuti Pereira, Pará, Brazil Rio Água Doce, Maranhão, Brazil Rio Água Fria, Tocantins, Brazil Río Aguanaval, Coahuila, Mexico Río Aguanaval, Zacatecas, Mexico Río Aguanaval, Coahuila, Mexico Río Aguanaval, Coahuila, Mexico Río Ajajálpan, Veracruz, Mexico Rio Ajará, Pará, Brazil Rio Alalaú, Roraima, Brazil Rio Alambari, São Paulo, Brazil Rio Alcobaça, Bahia, Brazil Río Alfajayucan, Hidalgo, Mexico Rio Algom Lower Tailings Pond, Utah, United States Rio Algom Upper Tailings Pond, Utah, United States Rio Almada, Brazil Rio Almada, Brazil Río Alseseca, Veracruz, Mexico Rio Alto Anapu, Pará, Brazil Río Altzayanca, Tlaxcala, Mexico Río Amacuzac, Guerrero, Mexico Río Amacuzac, Morelos, Mexico Río Amacuzac, Morelos, Mexico Río Amajac, Hidalgo, Mexico Rio Amajari, Roraima, Brazil Rio Amaná, Amazonas, Brazil Rio Amapá Grande, Amapá, Brazil Rio Amapari, Amapá, Brazil Rio Amarrã, Amazonas, Brazil Rio Amazonas, Amazonas, Brazil Rio Amazonas, Amazonas, Brazil Rio Amazonas, Amazonas, Brazil Rio Amazonas, Amazonas, Brazil Rio Amazonas, Amazonas, Brazil Rio Amazonas, Amazonas, Brazil Rio Amazonas, Amazonas, Brazil Rio Amazonas, Pará, Brazil Rio Amazonas, Amazonas, Brazil Rio Amazonas, Amazonas, Brazil Rio Amazonas, Amazonas, Brazil Rio Amazonas, Pará, Brazil Rio Amazonas, Amazonas, Brazil Río Ameca, Nayarit, Mexico Río Ameca, Nayarit, Mexico Río Ameca, Jalisco, Mexico Río Ametlapanapa, Puebla, Mexico Rio Anabiju, Pará, Brazil Rio Anajás, Pará, Brazil Rio Anajás, Pará, Brazil Rio Anajas-Miri, Pará, Brazil Rio Anajatuba, Maranhão, Brazil Rio Anajatuba, Brazil Rio Anamu, Pará, Brazil Rio Anapu, Pará, Brazil Rio Anapu, Pará, Brazil Rio Anari Ou Nariz, Rondônia, Brazil Rio Anauá, Roraima, Brazil Rio Anauera, Pará, Brazil Rio Andirá, Amazonas, Brazil Rio Andiroba, Pará, Brazil Rio Anebá, Amazonas, Brazil Río Angulo, Michoacán, Mexico Rio Anilzinho, Pará, Brazil Rio Apapóris, Amazonas, Colombia Rio Apodi, Rio Grande do Norte, Brazil Rio Aponiã, Rondônia, Brazil Rio Aponiã, Rondônia, Brazil Rio Apoquitauá, Amazonas, Brazil Rio Apraius, Bahia, Brazil Rio Apuaú, Amazonas, Brazil Río Apulco, Veracruz, Mexico Río Apulco, Puebla, Mexico Rio Aracá, Amazonas, Brazil Rio Aracá, Amazonas, Brazil Rio Aracá, Amazonas, Brazil Rio Aracá, Amazonas, Brazil Rio Aracá, Amazonas, Brazil Rio Aracá, Amazonas, Brazil Rio Aracá, Amazonas, Brazil Rio Aracairu, Pará, Brazil Rio Aracatiaçu, Ceará, Brazil Rio Araci, Pará, Brazil Rio Aracu, Amazonas, Brazil Rio Araguaia, Mato Grosso, Brazil Rio Araguaia, Mato Grosso, Brazil Rio Araguaia, Tocantins, Brazil Rio Araguaia, Tocantins, Brazil Rio Araguaia, Tocantins, Brazil Rio Araguaia, Pará, Brazil Rio Araguaia, Pará, Brazil Rio Araguaia, Pará, Brazil Rio Araguaia, Pará, Brazil Rio Araguaia, Mato Grosso, Brazil Rio Araguaia, Pará, Brazil Rio Araguaia, Pará, Brazil Rio Araguaia, Pará, Brazil Rio Araguaia, Pará, Brazil Rio Araguaia, Pará, Brazil Rio Araguaia, Pará, Brazil Rio Araguaia, Pará, Brazil Rio Araguaia, Pará, Brazil Rio Araguaia, Pará, Brazil Rio Araguaia, Tocantins, Brazil Rio Araguaia, Pará, Brazil Rio Araguaia, Pará, Brazil Rio Araguaia, Pará, Brazil Rio Araguaia, Pará, Brazil Rio Araguaia, Pará, Brazil Rio Araguaia, Pará, Brazil Rio Araguaia, Pará, Brazil Rio Araguaia, Pará, Brazil Rio Araguaia, Pará, Brazil Rio Araguaia, Pará, Brazil Rio Araguaia Ou Javaés, Tocantins, Brazil Rio Araguari, Amapá, Brazil Rio Araguari, Amapá, Brazil Rio Aramá, Pará, Brazil Rio Aramá, Pará, Brazil Rio Aramá Grande, Pará, Brazil Rio Aramá-Mirim, Pará, Brazil Rio Arapiranga, Pará, Brazil Rio Arapiranga De Beja, Pará, Brazil Rio Arapiuns, Pará, Brazil Rio Arapiuns, Pará, Brazil Rio Arapiuns, Pará, Brazil Rio Arari, Pará, Brazil Rio Arari, Amazonas, Brazil Rio Arataca, Pernambuco, Brazil Rio Araticu, Pará, Brazil Rio Arauá, Amazonas, Brazil Rio Arauaquara, Pará, Brazil Rio Areião, Mato Grosso do Sul, Brazil Rio Ariaú, Amazonas, Brazil Rio Ariaú, Amazonas, Brazil Rio Arinos, Mato Grosso, Brazil Rio Aripuanã, Amazonas, Brazil Rio Aripuanã, Amazonas, Brazil Rio Aripuanã, Amazonas, Brazil Rio Aripuanã, Mato Grosso, Brazil Rio Ariri, Pará, Brazil Río Armería, Jalisco, Mexico Río Armería, Jalisco, Mexico Rio Arrojadinho, Bahia, Brazil Rio Arrojado, Bahia, Brazil Rio Arrozal, Pará, Brazil Rio Aruanã, Pará, Brazil Rio Arumanduba, Pará, Brazil Rio Aruri Grande, Pará, Brazil Río Atengo, Nayarit, Mexico Rio Ati Paraná, Amazonas, Brazil Rio Atibaia, São Paulo, Brazil Rio Atibainha, São Paulo, Brazil Rio Atininga, Amazonas, Brazil Río Atlapexco, Hidalgo, Mexico Río Atoyac, Oaxaca, Mexico Río Atoyac, Puebla, Mexico Río Atoyac, Oaxaca, Mexico Río Atoyac, Oaxaca, Mexico Río Atoyac, Puebla, Mexico Río Atoyac, Oaxaca, Mexico Río Atoyac, Puebla, Mexico Rio Atuá, Pará, Brazil Rio Auari, Roraima, Brazil Rio Aura, Maranhão, Brazil Rio Autaz-Mirim, Amazonas, Brazil Rio Axuí, Brazil Río Ayuquila, Jalisco, Mexico Río Ayuquila, Jalisco, Mexico Rio Bacabalzinho, Rondônia, Brazil Rio Bacajá, Pará, Brazil Rio Bacanga, Maranhão, Brazil Rio Bacuri, Pará, Brazil Rio Bacurituba, Maranhão, Brazil Rio Baiano, Pará, Brazil Río Balsas, Michoacán, Mexico Río Balsas, Guerrero, Mexico Río Balsas, Guerrero, Mexico Río Balsas, Michoacán, Mexico Río Balsas, Guerrero, Mexico