20200818 09250500 1.0 TRUE DeleteField Airports_Large_Hub_aviation_facilities_July_16_2020 Field7 DeleteField Airports_Large_Hub_aviation_facilities_July_16_2020 Field6 file://\\RITSLHQE-77526\C$\Users\g.grandstaff.ctr\Documents\ArcGIS\Projects\Func Classifications\Aviation.gdb Local Area Network ISO 19139 Metadata Implementation Specification DOT BTS FAA Airports large hub defined by FAA. Custom symbol. Created and published for BTS applications. Airports_Large_Hub_2020