BOTETOURT COUNTY
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Botetourt County, Virginia
Area: 543 square miles
Population: 30,496 (2000 census)
Persons/Sq. Mile: 56.2
% Karst Terrane: approx. 20%
Major Karst Development Areas:
Catawba Creek Valley
Timber Ridge
Karstic Formations and Map Symbols:
Helderberg - DSu
Undivided Ordovician - Ou
Number of Reported Caves: 151
Surveyed Cave Passage: 4 miles
Longest Cave: 2,728 feet
Average Length: 147 feet
Deepest Cave: 239 feet