{"thcode":3,"term":{"code":253,"name":"continents","parent":599,"scope":"Earth's major land masses, including both dry land and continental shelves. [Glossary of Geology, 4th ed.]"},"uf":[],"bt":[{"code":599,"name":"land regions","parent":928,"scope":"Use for land areas distinguished from ocean areas as well as general land-based regions without a more specific type designation."},{"code":928,"name":"regions","parent":1,"scope":"(a) Large, indefinite portions of the earth's surface. (b) Specified districts or territories. (c) Areas of interest or activity; spheres. (d) Ecology. Parts of the earth characterized by distinctive animal or plant life. [Adapted from American Heritage Dic. of the English Language, 4th ed.]"},{"code":1,"name":"Categories","parent":null,"scope":null}],"nt":[],"rt":[]}