Provinces of Argentina Aires Province accepted the 1853 Constitution of Argentina in 1861, and its capital city was made a federal territory in 1880. A law from 1862 designated as national territories those under federal control but outside the frontiers of the provinces. In 1884 they served as bases for the establishment of the governorates of Misiones, Formosa, Chaco, La Pampa, Neuquén, Río Negro, Chubut, Santa Cruz and Tierra del Fuego. The agreement about a frontier dispute with Chile in 1900 created the National Territory of Los Andes; its lands were incorporated into Jujuy, Salta and Catamarca in 1943. La Pampa and Chaco
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