http://www.cnagirasoles.com.ar/Girasoles/589/page2.html El homenaje merecido: DON CARLOS SIGUE CUMPLIENDO AÑOS] Héctor Guerrero, owner of most lands in the region, told him of 16 sqkm of sand dunes on sale for 28,000 pesos, and Gesell bought them in 1931 when he checked for the existence of groundwater in the area.