GILES COUNTY

County Geologic Map
(Click on image above to view a larger, more detailed map)

Giles County, Virginia

Area: 357 square miles
Population: 16,657 (2000 census)
Persons/Sq. Mile: 46.7

% Karst Terrane: approx. 50%

Major Karst Development Areas:
Wilburn Valley
New River Karst Peneplain
Sinking Creek Valley

Karstic Formations and Map Symbols:
Undivided Ordovician - Ou
Greenbriar - Mg

Number of Reported Caves: 253
Surveyed Cave Passage: 62 miles

Longest Cave: 118,272 feet
Average Length: 1287 feet

Deepest Cave: 718 feet





©2002 by Virginia Speleological Survey (VSS). All Rights Reserved.