This point shapefile includes airports in the United States, Puerto Rico and the U.S. Virgin Islands. The data were derived from an extract of the Public-Use Airports database of the National Transportation Atlas Databases-2010 (NTAD-2010), published by the Bureau of Transportation Statistics, Department of Transportation. This layer is part of the 1997-2014 edition of the National Atlas of the United States. These data are intended for geographic display and analysis at the national level, and for large regional areas. The data should be displayed and analyzed at scales appropriate for 1:1,000,000-scale data. No responsibility is assumed by the National Atlas of the United States in the use of these data. U.S. Geological Survey. (2012). Airports of the United States, 2012. USGS. Available at: http://purl.stanford.edu/xp070bj0986. Information about National Atlas Web services can be found on the Web Map and Web Feature Services page; see http://nationalatlas.gov/infodocs/webservices.html. ; {"gdaId" : 6065687} This layer is presented in the WGS84 coordinate system for web display purposes. Downloadable data are provided in native coordinate system or projection.