Mapa de localização da rede urbana triangular no semiárido do Brasil formada pelo Polo Petrolina e Juazeiro (PE-BA),  Crajubar (CE) e Sousa (PB) (fonte).
This file was derived from:

 Northeast Brazil location map.svg: 
Brazil Ceara location map.svg: 
Brazil Paraiba location map.svg: 
Brazil Pernambuco location map.svg: 
Brazil Bahia location map.svg:
Northeast Brazil location map.svg: High source
Brazil Ceara location map.svg: *Brazil Paraiba location map.svg:
Brazil Pernambuco location map.svg: *Brazil Bahia location map.svg: Shadowxfox
derivative work: Frag15