represa do passo real - map search
Topographic map xh22-1 of scale 1:500 000
Canoas, Santa Maria, Caxias Do Sul, Novo Hamburgo, Represa Do Passo Real, Sao Leopoldo, Gravatai, Passo Fundo, Esteio, Carazinho
Russian - Soviet military - 3Mb -
Brazil - South America
Topographic map q28 of scale 1:1 000 000
Represa De Itaipu, Rio Uraguay, Rio Iguacu, Emb. De Acaray, Rio Jacui, Porto Alegre, Curitiba, Rio Ibicui, Pelotas, Posadas
English - US military - 1974 - 6Mb -
Argentina - Brazil - Paraguay - South America - Uruguay