Map of South America, showing its political divisions ; Map showing the proposed Atrato-inter-oceanic canalroutes, for connecting the Atlantic and Pacific oceans [inset].
1860
Geological map of the world: 6. South America
1875|Ziegler, Jakob Melchior1:23 000 000
Sheet 7 Erdkarte in Mercators Projection
1856|Ohmann, Carl Ludwig1:30 800 000
Southern Regions.
1856|Colton, G.W.1:22 176 000
Amerique. Pl. 6
1856|Michelot, Auguste Jean Charles, 1792-18541:76 000 000
Distribution of the Winds and their Influence on Navigation.