Subtense Valley

Subtense Valley (

77°50′S 160°6′E / 77.833°S 160.100°E / -77.833; 160.100Coordinates: 77°50′S 160°6′E / 77.833°S 160.100°E / -77.833; 160.100) is a mostly ice-free valley, 1.5 nautical miles (2.8 km) long, located 2 nautical miles (3.7 km) northwest of Tabular Mountain in the west extremity of Quartermain Mountains, Victoria Land. The name is one of a group in the area associated with surveying applied in 1993 by New Zealand Geographic Board (NZGB). A subtense bar is a fixed base (usually 2 meters long) used in conjunction with a theodolite in the calculation of horizontal distance.

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 This article incorporates public domain material from the United States Geological Survey document: "Subtense Valley". (content from the Geographic Names Information System)