01086cam a22003011  4500001001300000003000400013005001700017008004100034010001700075035002000092040004100112042001200153050002000165082001300185110003600198245004300234250001900277260004300296300005200339490004100391500009000432500008400522650003700606650003200643740002300675810007100698999001500769agr32000046 DLC20260227110951.0840720s1932    dcua         f000 0 eng c  aagr32000046   a(OCoLC)10968973  aU.S. Dept of Agr. LibrarycAMAUdDLC  apremarc00aTL556b.U6 1932  a629.13241 aUnited States.bWeather Bureau.00aInstructions for airways observers ...  a<2d ed.> 1932.  aWashington,bU.S. Govt. Print.,c1932.  aix, 70 p. incl. illus., tables, diagrs.c24 cm.1 aIts Circular N, Aerological division  aAt head of title: W.B. no. 1059. United States. Dept. of Agriculture. Weather Bureau.  aThird edition, 1935, has title: Instructions for airway meteorological service. 0aMeteorologyxObservers' manuals. 0aMeteorology in aeronautics.0 aAirways observers.1 aUnited States.bWeather Bureau.tCircular N, Aerological division.  c9460d9460