ALLEGHANY COUNTY


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Alleghany County, Virginia

Area: 445 square miles
Population: 12,926 (2000 census)
Persons/Sq. Mile: 29.0

% Karst Terrane: approx. 30%

Major Karst Development Areas:
Jackson River Valley
Potts Creek Valley
Warm Springs Valley

Karstic Formations and Map Symbols:
Helderberg - DSu
Undivided Ordovician - Ou

Number of Reported Caves: 175
Surveyed Cave Passage: 22 miles

Longest Cave: 38,353 feet
Average Length: 673 feet

Deepest Cave: 266 feet