{"thcode":1,"term":{"code":"h01070005","name":"Concord","parent":"h010700","scope":"hydrologic unit"},"uf":[],"bt":[{"code":"h010700","name":"Merrimack","parent":"h0107","scope":"hydrologic accounting unit"},{"code":"h0107","name":"Merrimack","parent":"h01","scope":"hydrologic subregion"},{"code":"h01","name":"New England","parent":"hroot","scope":"hydrologic region"},{"code":"hroot","name":"US hydrologic units","parent":"fUS","scope":"hydrologic subregion"},{"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":"q43072NWD4","name":"Ayer","parent":"q43072NW","scope":"quadrangle 1:24,000 scale"},{"code":"q43072NWF4","name":"Billerica","parent":"q43072NW","scope":"quadrangle 1:24,000 scale"},{"code":"q43072SWC1","name":"Clinton","parent":"q43072SW","scope":"quadrangle 1:24,000 scale"},{"code":"q43072SWF1","name":"Concord","parent":"q43072SW","scope":"quadrangle 1:24,000 scale"},{"code":"q43072SWE2","name":"Framingham","parent":"q43072SW","scope":"quadrangle 1:24,000 scale"},{"code":"q43072SWC3","name":"Grafton","parent":"q43072SW","scope":"quadrangle 1:24,000 scale"},{"code":"p1741","name":"Great Meadows National Wildlife Refuge","parent":"p13","scope":"National Wildlife Refuge"},{"code":"p133","name":"Hanscom Air Force Base","parent":"p25","scope":"Air Force"},{"code":"q43072SWE3","name":"Holliston","parent":"q43072SW","scope":"quadrangle 1:24,000 scale"},{"code":"q43072SWD1","name":"Hudson","parent":"q43072SW","scope":"quadrangle 1:24,000 scale"},{"code":"q43072NWF3","name":"Lowell","parent":"q43072NW","scope":"quadrangle 1:24,000 scale"},{"code":"q43072SWD2","name":"Marlborough","parent":"q43072SW","scope":"quadrangle 1:24,000 scale"},{"code":"q43072SWE1","name":"Maynard","parent":"q43072SW","scope":"quadrangle 1:24,000 scale"},{"code":"f25017","name":"Middlesex","parent":"fUS25","scope":"county"},{"code":"q43072SWD3","name":"Milford","parent":"q43072SW","scope":"quadrangle 1:24,000 scale"},{"code":"p1334","name":"Minute Man National Historical Park","parent":"p39","scope":"National Historic Park"},{"code":"q43072SWF2","name":"Natick","parent":"q43072SW","scope":"quadrangle 1:24,000 scale"},{"code":"p598","name":"Natick Laboratories Military Reservation","parent":"p23","scope":"Army"},{"code":"q43072SWC2","name":"Shrewsbury","parent":"q43072SW","scope":"quadrangle 1:24,000 scale"},{"code":"q43072NWE4","name":"Westford","parent":"q43072NW","scope":"quadrangle 1:24,000 scale"},{"code":"f25027","name":"Worcester","parent":"fUS25","scope":"county"}]}
