Keywords: 1832 - John Dower & W.M. Higgins - Comparative Lengths of the Principal Rivers, and the Heights of the Principal Mountains of the World.jpg en John Dower W M Higgins Comparative Lengths of the Principal Rivers and the Heights of the Principal Mountains of the World 1832 http //www davidrumsey com/luna/servlet/s/7vu132 David Rumsey Historical Map Collection John Dower W M Higgins other versions PD-old-70-1923 Geographic comparison diagrams David Rumsey Historical Map Collection John Dower cartographer |