Area_KM (type: esriFieldTypeDouble, alias: Area KM, SQL Type: sqlTypeOther, nullable: true, editable: true)
notes (type: esriFieldTypeString, alias: Notes, SQL Type: sqlTypeOther, length: 250, nullable: true, editable: true, Coded Values: [A: Controlled high-level airspace, IFR only.], [G: Uncontrolled airspace], [B: Controlled low-level airspace, IFR and CVFR only. All low level controlled airspace above 12,500 ́ ASL
or from the MEA, whichever is higher, to below
18,000 ́ ASL. TCAs and associated primary CZs may also be classified Class B airspace.], ... 4 more ...)
Description: Geographic terms and concepts are briefly defined in the glossary (Appendix A). More details canbe found in the 2011 Census Dictionary, to be released February 8, 2012. Supplementaryinformation is provided in the appendices.