{"thcode":1,"term":{"code":"q38078","name":"Richmond","parent":"qroot","scope":"quadrangle 1:250,000 scale"},"uf":[],"bt":[{"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":[{"code":"q38078SW","name":"Petersburg","parent":"q38078","scope":"quadrangle 1:100,000 scale"},{"code":"q38078NW","name":"Richmond","parent":"q38078","scope":"quadrangle 1:100,000 scale"},{"code":"q38078NE","name":"Tappahannock","parent":"q38078","scope":"quadrangle 1:100,000 scale"},{"code":"q38078SE","name":"Williamsburg","parent":"q38078","scope":"quadrangle 1:100,000 scale"}],"rt":[{"code":"a308","name":"Early Mesozoic basin aquifers","parent":"aroot","scope":"aquifer"},{"code":"fUS24","name":"Maryland","parent":"fUS","scope":"state"},{"code":"h02","name":"Mid Atlantic","parent":"hroot","scope":"hydrologic region"},{"code":"a205","name":"Northern Atlantic Coastal Plain aquifer system","parent":"aroot","scope":"aquifer"},{"code":"a611","name":"Piedmont and Blue Ridge crystalline-rock aquifers","parent":"aroot","scope":"aquifer"},{"code":"h03","name":"South Atlantic-Gulf","parent":"hroot","scope":"hydrologic region"},{"code":"fUS51","name":"Virginia","parent":"fUS","scope":"state"}]}