{"thcode":1,"term":{"code":"ar400","name":"Carbonate-rock aquifers","parent":"art","scope":"aquifer rock type"},"uf":[],"bt":[{"code":"art","name":"(aquifer rock types)","parent":"aroot","scope":"Generalized rock types of aquifers"},{"code":"aroot","name":"US Aquifers","parent":"fUS","scope":"Aquifers of the 48 conterminous United States, Hawaii, Puerto Ri"},{"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":"a407","name":"Arbuckle-Simpson aquifer","parent":"aroot","scope":"aquifer"},{"code":"a401","name":"Basin and Range carbonate-rock aquifers","parent":"aroot","scope":"aquifer"},{"code":"a414","name":"Biscayne aquifer","parent":"aroot","scope":"aquifer"},{"code":"a406","name":"Blaine aquifer","parent":"aroot","scope":"aquifer"},{"code":"a418","name":"Castle Hayne aquifer","parent":"aroot","scope":"aquifer"},{"code":"a413","name":"Floridan aquifer system","parent":"aroot","scope":"aquifer"},{"code":"a420","name":"Kingshill aquifer","parent":"aroot","scope":"aquifer"},{"code":"a416","name":"New York and New England carbonate-rock aquifers","parent":"aroot","scope":"aquifer"},{"code":"a411","name":"Ordovician aquifers","parent":"aroot","scope":"aquifer"},{"code":"a405","name":"Ozark Plateaus aquifer system","parent":"aroot","scope":"aquifer"},{"code":"a417","name":"Piedmont and Blue Ridge carbonate-rock aquifers","parent":"aroot","scope":"aquifer"},{"code":"a419","name":"Puerto Rico North Coast Limestone aquifer system","parent":"aroot","scope":"aquifer"},{"code":"a402","name":"Roswell Basin aquifer system","parent":"aroot","scope":"aquifer"},{"code":"a410","name":"Silurian-Devonian aquifers","parent":"aroot","scope":"aquifer"},{"code":"a412","name":"Upper carbonate aquifer","parent":"aroot","scope":"aquifer"}]}
