Vernier Valley (77°58′S 161°9′E) is an ice-free valley on the east side of Mount Blackwelder in the northeast part of Wilkniss 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); vernier being a graduated scale used on measuring instruments to allow the reading of finer subdivisions.
This article incorporates public domain material from the United States Geological Survey document "Vernier Valley" (content from the Geographic Names Information System).
References
Vernier Valley Wikipedia(Text) CC BY-SA