{"thcode":1,"term":{"code":"q33098NEA2","name":"Irving","parent":"q33098NE","scope":"quadrangle 1:24,000 scale"},"uf":[],"bt":[{"code":"q33098NE","name":"Dallas","parent":"q33098","scope":"quadrangle 1:100,000 scale"},{"code":"q33098","name":"Dallas","parent":"qroot","scope":"quadrangle 1:250,000 scale"},{"code":"qroot","name":"USGS Quadrangles","parent":"fUS","scope":"quadrangle"},{"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":"f48113","name":"Dallas","parent":"fUS48","scope":"county"},{"code":"p2084","name":"Dallas Naval Air Station (Closed)","parent":"p24","scope":"Navy"},{"code":"h12030103","name":"Elm Fork Trinity","parent":"h120301","scope":"hydrologic unit"},{"code":"h12030102","name":"Lower West Fork Trinity","parent":"h120301","scope":"hydrologic unit"},{"code":"h12030105","name":"Upper Trinity","parent":"h120301","scope":"hydrologic unit"}]}