(North America) A New & Accurate Map... Dakota Territory The air mail routes were

The air mail routes were established in 1918

Within this region each of the rivers is shown with the forts and some villages

as well as the major terrain and the drainage

and shows the many bridges and tunnels that cross the Hudson and East River

(North America) A New & Accurate Map... Dakota Territory The air mail routes were(N. A.) A New & Accurate Map of North America; Drawn from the most Authentic Modern Maps and Chrts by Thos. Bowen A bold engraving for the continent showing the colonies stretching from the East Coast to the Mississippi River, where the vast Louisiana Territory and Mexico give way to large blank areas, with a massive "Parts Unknown" in the north. Does note on the western coast "New Albion", and the entrance to "The West Sea", as well as lands