{"thcode":1,"term":{"code":"p133","name":"Hanscom Air Force Base","parent":"p25","scope":"Air Force"},"uf":[],"bt":[{"code":"p25","name":"Air Force DOD","parent":"pDOD","scope":"Type of land area"},{"code":"pDOD","name":"DOD","parent":"proot","scope":"Federal land areas administered by DOD"},{"code":"proot","name":"Federal lands","parent":"fUS","scope":"Land areas administered by US Federal agencies"},{"code":"fUS","name":"United States","parent":"fLD10","scope":"country"},{"code":"fLD10","name":"North America","parent":"fLD","scope":"continent"},{"code":"fLD","name":"Land","parent":"root","scope":"continent"},{"code":"root","name":"Earth","parent":null,"scope":"Common geographic areas focused on the US"}],"nt":[],"rt":[{"code":"h01070005","name":"Concord","parent":"h010700","scope":"hydrologic unit"},{"code":"q43072SWF1","name":"Concord","parent":"q43072SW","scope":"quadrangle 1:24,000 scale"},{"code":"h01070002","name":"Merrimack","parent":"h010700","scope":"hydrologic unit"},{"code":"f25017","name":"Middlesex","parent":"fUS25","scope":"county"}]}