{"thcode":3,"term":{"code":1197,"name":"valleys","parent":816,"scope":"Low-lying land bordered by higher ground; especially elongate, relatively large gently sloping depressions of the Earth's surface, commonly situated between two mountains or between ranges of hills or mountains, and often containing a stream with an outlet. [Glossary of Geology, 4th ed.]"},"uf":[{"name":"forks (physiographic features)","usewith":false},{"name":"glens","usewith":false},{"name":"hanging valleys","usewith":false},{"name":"hollows","usewith":false},{"name":"median valleys","usewith":false},{"name":"shelf valleys (seafloor)","usewith":false}],"bt":[{"code":816,"name":"physiographic features","parent":1,"scope":null},{"code":1,"name":"Categories","parent":null,"scope":null}],"nt":[{"code":167,"name":"canyons","parent":1197,"scope":"Relatively narrow, deep depressions with steep sides, the bottom of which generally has a continuous slope [NIMA GEONet Designation ... Definitions <http:\/\/164.214.2.59\/gns\/html\/desig.html>]"}],"rt":[{"code":62,"name":"arroyos","parent":816,"scope":"Small deep flat-floored channels or gullies of an ephemeral stream or of an intermittent stream, usually with vertical or steeply cut banks. [Adapted from Glossary of Geology, 4th ed.]"},{"code":95,"name":"basins","parent":816,"scope":"Bowl-shaped, natural depressions in the surface of the land or ocean floor. [Adapted from USGS Circ 1048]"},{"code":433,"name":"gaps","parent":816,"scope":"Ravines or gorges cut deeply through mountain ridges, or between hills or mountains. [Glossary of Geology, 4th ed.]"},{"code":1010,"name":"seafloor features","parent":816,"scope":null}]}