Top 25 Foreign-Trade Gateways by Value: 2006 Map
Data for all air gateways include a low level of small user-fee airports located in the same region. Data for courier operations are included in the airport totals for JFK International Airport, New Orleans, Los Angeles, Chicago, Miami, and Anchorage. The New Orleans/Memphis Airports include all of Louis Armstrong International air cargo and the Federal Express portion of Memphis, which are not separated in the reporting system.
U.S. Department of Transportation, Research and Innovative Technology Administration, Bureau of Transportation Statistics, National Transportation Statistics 2007 (Washington, DC: 2007).
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