(U.S. - Aviation) Air Transport Map- United States Showing Proposed Mark-ed Airways Chelsea all nicely presented with vignettes

all nicely presented with vignettes of the trains that ran these lines

native tribes and major trails (Oregon and Santa Fe trails)

Compiled from the Original Field Notes by O

From the first thirteen tribes whose names border the image

most without a single placename

(U.S. - Aviation) Air Transport Map- United States Showing Proposed Mark-ed Airways Chelsea all nicely presented with vignettes(U. S. Aviation) Air Transport Map United States Showing Proposed Mark ed Airways, Wolfley, 1927 In a pre gps world, where there were still no radio beacons, can you imagine flying and how much you would cling to visual landmarks? Can you imagine how hard that could be when crossing endless fields, or non descript deserts or mountains? This map looks at the potential of roof signs that could help pilots at 2750 ft and below be able to have helpful