00688nam a22002172  4500001001300000003000500013005001700018008004100035040001800076086002600094099002600120245010100146260003100247300000700278500001200285500004400297650003900341710005300380949001800433999001900451hsl001007477DGPO20170826152600.0170119s1975    dcu     r    f000 0 eng d  aGPOcGPOdMvI0 aTD 4.8/5:150/5325-2 C  aTD 4.8/5:150/5325-2 C00aAirport design standards - airports served by air carriers - surface gradient and line-of-sight.  a[Washington, D.C.,c1975].  av.  a2-6-75.  aCRDP Program Historic Shelflist record. 0aAirportsxDesign and construction.1 aUnited States.bFederal Aviation Administration.  aBEVbFed Docs  c264760d264760