1921. Riacho das Pedras (10.85S, 40.27W) Bahia, Intermittent Stream 1922. Riacho das Pedras (12.05S, 39.2W) Bahia, Intermittent Stream 1923. Riacho das Pedras (3.95S, 42.82W) Maranhao, Stream 1924. Riacho das Pedras (9.97S, 39.2W) Bahia, Populated Place 1925. Riacho das Pedras (13.85S, 40.88W) Bahia, Populated Place 1926. Riacho das Piabas (12.25S, 38.05W) Bahia, Stream 1927. Riacho das Pintadas (7.8S, 39.37W) Pernambuco, Intermittent Stream 1928. Riacho das Piqui (7.8S, 39.93W) Pernambuco, Intermittent Stream 1929. Riacho das Piranhas (4.12S, 42.88W) Piaui, Intermittent Stream 1930. Riacho das Piranhas (8.38S, 40.43W) Pernambuco, Intermittent Stream 1931. Riacho das Pitombas (6.57S, 37.35W) Rio Grande do Norte, Intermittent Stream 1932. Riacho das Pitubas (13.65S, 43.57W) Bahia, Intermittent Stream 1933. Riacho das Pombas (5.03S, 42.85W) Maranhao, Stream 1934. Riacho das Pombas (7.45S, 40.87W) Piaui, Intermittent Stream 1935. Riacho das Pombas (5.72S, 37.25W) Rio Grande do Norte, Intermittent Stream 1936. Riacho das Pombas (6.68S, 38.78W) Ceara, Intermittent Stream 1937. Riacho das Porteiras (5.78S, 39.85W) Ceara, Populated Place 1938. Riacho das Porteiras (9.4S, 40.52W) Pernambuco, Intermittent Stream 1939. Riacho das Quebradas (6.2S, 42.33W) Piaui, Intermittent Stream 1940. Riacho das Queimadas (7.95S, 39.57W) Pernambuco, Intermittent Stream 1941. Riacho das Queimadas (9.87S, 39.2W) Bahia, Intermittent Stream 1942. Riacho das Ras (13.8S, 43.55W) Bahia, Stream 1943. Riacho das Salinas (9.6S, 40.13W) Bahia, Intermittent Stream 1944. Riacho das Salinas (5.12S, 36.62W) Rio Grande do Norte, Stream 1945. Riacho das Salsas (5.53S, 38.27W) Ceara, Intermittent Stream 1946. Riacho das Tabocas (5.67S, 42.22W) Piaui, Intermittent Stream 1947. Riacho das Tabocas (6.87S, 41.45W) Piaui, Intermittent Stream 1948. Riacho das Tabocas Fundo (11.18S, 37.33W) Sergipe, Stream 1949. Riacho das Trairas (14.35S, 41.1W) Bahia, Intermittent Stream 1950. Riacho das Trempes (7.92S, 42.67W) Piaui, Intermittent Stream 1951. Riacho das Tres Passagens (13.97S, 42.95W) Bahia, Intermittent Stream 1952. Riacho das Umburanas (4.6S, 38.02W) Ceara, Intermittent Stream 1953. Riacho das Vacas (6.02S, 40.07W) Ceara, Intermittent Stream 1954. Riacho das Vacas (9.7S, 37.22W) Alagoas, Intermittent Stream 1955. Riacho das Varas (6.02S, 40.07W) Ceara, Intermittent Stream 1956. Riacho das Varzeas (6.62S, 37.18W) Rio Grande do Norte, Intermittent Stream 1957. Riacho das Vertentes (5.53S, 40.42W) Ceara, Intermittent Stream 1958. Riacho de Acaua (7.65S, 36.62W) Paraiba, Intermittent Stream 1959. Riacho de Agua de Rega (12.35S, 41.55W) Bahia, Stream 1960. Riacho de Baixa (7.25S, 41.58W) Piaui, Intermittent Stream | 1961. Riacho de Boi (7.05S, 37.82W) Paraiba, Populated Place 1962. Riacho de Caripare (11.75S, 44.62W) Bahia, Intermittent Stream 1963. Riacho de Cima (6.32S, 38W) Rio Grande do Norte, Populated Place 1964. Riacho de Cima (12.85S, 40.6W) Bahia, Stream 1965. Riacho de Cotegipe (11.73S, 44.23W) Bahia, Stream 1966. Riacho de Custodia (8.3S, 37.58W) Pernambuco, Intermittent Stream 1967. Riacho de Dentro (5.48S, 40.68W) Ceara, Intermittent Stream 1968. Riacho de Fora (6.72S, 37.08W) Rio Grande do Norte, Populated Place 1969. Riacho de Fora (7.33S, 36.73W) Paraiba, Populated Place 1970. Riacho de Gruna (10.73S, 41.72W) Bahia, Intermittent Stream 1971. Riacho de Joao Grande (6.1S, 37.07W) Rio Grande do Norte, Intermittent Stream 1972. Riacho de Mariape (13.57S, 43.53W) Bahia, Intermittent Stream 1973. Riacho de Meic (7.17S, 38.85W) Ceara, Populated Place 1974. Riacho de Melc (7.17S, 38.87W) Ceara, Populated Place 1975. Riacho de Pedra (13.3S, 44.57W) Bahia, Stream 1976. Riacho de Pedra (14.4S, 45.1W) Bahia, Intermittent Stream 1977. Riacho de Pedro (6.73S, 37.97W) Paraiba, Populated Place 1978. Riacho de Picos (5.92S, 37.53W) Rio Grande do Norte, Intermittent Stream 1979. Riacho de Porcos (7.23S, 38.9W) Ceara, Intermittent Stream 1980. Riacho de Sant'Anna (13.62S, 42.95W) Bahia, Populated Place 1981. Riacho de Santa Rita (6.65S, 36.17W) Paraiba, Intermittent Stream 1982. Riacho de Santa Teresa (12.28S, 39.15W) Bahia, Intermittent Stream 1983. Riacho de Santana (3.37S, 39.33W) Ceara, Intermittent Stream 1984. Riacho de Santana (12.05S, 43.33W) Bahia, Intermittent Stream 1985. Riacho de Santana (13.47S, 43.38W) Bahia, Intermittent Stream 1986. Riacho de Santana (6.27S, 38.32W) Rio Grande do Norte, Populated Place 1987. Riacho de Santana (13.62S, 42.95W) Bahia, Populated Place 1988. Riacho de Santana (13.83S, 40.78W) Bahia, Stream 1989. Riacho de Santo Antonio (7.68S, 36.15W) Paraiba, Populated Place 1990. Riacho de Sao Goncalo (8.43S, 38.52W) Pernambuco, Intermittent Stream 1991. Riacho de Sao Joao (6.98S, 40.87W) Piaui, Intermittent Stream 1992. Riacho de Sao Joao (7.02S, 40.98W) Piaui, Intermittent Stream 1993. Riacho de Sao Lourenco (10.73S, 41.72W) Bahia, Intermittent Stream 1994. Riacho de Sao Pedro (8.67S, 38.63W) Pernambuco, Intermittent Stream 1995. Riacho de Sao Tome (3.46S, 42.73W) Maranhao, Intermittent Stream 1996. Riacho de Tabira (7.58S, 37.53W) Pernambuco, Intermittent Stream 1997. Riacho de Umburanas (10.55S, 43.13W) Bahia, Intermittent Stream 1998. Riacho Dende (11.57S, 37.47W) Bahia, Stream 1999. Riacho Desterro (7.25S, 37.03W) Paraiba, Intermittent Stream 2000. Riacho Dinamite (10.88S, 42.73W) Bahia, Intermittent Stream |