Senate federal level. Similarly in Argentina, in addition to the Senate at federal level, eight of the country's provinces, Buenos Aires, Catamarca, Corrientes, Entre Ríos, Mendoza, Salta, San Luis (since 1987) and Santa Fe, have bicameral legislatures with a Senate. Córdoba and Tucumán changed to unicameral systems in 2001 and 2003 respectively. In Australia and Canada, only the upper house of the federal parliament is known as the Senate. All Australian states other than Queensland have an upper house known as a Legislative council. Several Canadian provinces also once had a Legislative Council, but these have all been abolished, the last
Catamarca Province (partly through La Rioja) to Chile by the Paso de San Francisco (4722 m), 64 west from Santiago del Estero to join 38 and 157 north from La Guardia 103 km to Frias where it connects with 89 west from Villa San Martin (Santiago del Estero), and north to Tucuman province at San Pedro, connecting with 64 near Las Cañas. There is an airport at Catamarca. Since its foundation in 1991 by the Catamarcan branch of the Radical Civic Union and minor local parties the Civic and Social Front of Catamarca has dominated state politics. It has held the governor's