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181   $ctxt$2rdacontent
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200 10$aNational Airspace System$b[electronic resource] $einitiatives to reduce flight delays and enhance capacity are ongoing but challenges remain : testimony before the Subcommittee on Aviation, Committee on Commerce, Science, and Transportation, U.S. Senate /$fstatement of Gerald L. Dillingham
210  1$a[Washington, D.C.] :$cU.S. Government Accountability Office,$d[2005]
225 1 $aTestimony ;$vGAO-05-755 T
300   $aTitle from title screen (viewed on Aug. 9, 2005).
300   $a"For release ... May 26, 2005."
300   $aPaper version available from: U.S. Government Accountability Office, 441 G St., NW, Rm. LM, Washington, D.C. 20548.
320   $aIncludes bibliographical references.
517   $aNational Airspace System 
606   $aAirports$zUnited States$xPlanning
606   $aNational Airspace System (U.S.)
606   $aAirports$zUnited States$xTraffic control
615  0$aAirports$xPlanning.
615  0$aNational Airspace System (U.S.)
615  0$aAirports$xTraffic control.
700   $aDillingham$b Gerald Lee$f1947-$01381675
712 02$aUnited States.$bCongress.$bSenate.$bCommittee on Commerce, Science, and Transportation.$bSubcommittee on Aviation.
712 02$aUnited States.$bGovernment Accountability Office.
801  0$bGPO
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