Pampas Pampas The Pampas (from the , meaning "plain") are fertile South American lowlands that cover more than and include the Argentine provinces of Buenos Aires, La Pampa, Santa Fe, Entre Ríos and Córdoba; all of Uruguay; and the southernmost Brazilian State, Rio Grande do Sul. The vast plains are a natural region, interrupted only by the low Ventana and Tandil hills, near Bahía Blanca and Tandil (Argentina), with a height of and , respectively. The climate is warm, with precipitation of that is more or less evenly distributed through the year, making the soils appropriate for agriculture. The area is
1973 Boundary Treaty between Uruguay and Argentina boundary led to the Martín García canal dispute and the Uruguay River pulp mill dispute. 1973 Boundary Treaty between Uruguay and Argentina The Treaty between Uruguay and Argentina concerning the Rio de la Plata and the Corresponding Maritime Boundary was signed in Montevideo on 19 November 1973 by Dr. Juan Carlos Blanco Estradé, Minister for Foreign Affairs of Uruguay and Mr. Alberto J. Vignes, Minister for Foreign Affairs and Worship of Argentina. The treaty provides the geographic coordinates for the boundary points in the Rio de la Plata, affords the status of Martín García Island and other islands in the