TAZEWELL COUNTY
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Tazewell County, Virginia
Area: 520 square miles
Population: 44,598 (2000 census)
Persons/Sq. Mile: 85.8
% Karst Terrane: approx. 40%
Major Karst Development Areas:
Burkes Garden
Thompson Valley
??? Mountain
Karstic Formations and Map Symbols:
Undivided Ordovician - Ou
Greenbriar - Mg
Number of Reported Caves: 159
Surveyed Cave Passage: 28 miles
Longest Cave: 40,814 feet
Average Length: 944 feet
Deepest Cave: 502 feet