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Show CHART NATIONAL AIR LINES Army Air Service Completing Maps of Three Cross-Country Trunk Routes. Washington. The army air servlct has made substantial progress in the work of preparing national aerial routes, the map already showing a number of travel lanes In 30 states. The entire country will be covered as sfion as adequate dala has been compiled. com-piled. Information entered on Ihe master map here covers every detail necessary for the successful operation of an airplane air-plane over the territory shown. Distances, Dis-tances, fields, suitable landing stations, sta-tions, places where vital supplies and parts may be obtained, as well as condition con-dition of terrain, all are noted. It is proposed to chart three trunk routes from const to coast, with about twenty-four feeding or distributing routes, which, it is stated, "would bring every city and town in the I'ni led Slates within six hours flying time of i lie distributing points." Completion Comple-tion of the national map is expected before the close of t'le year. |