• Area: 331 square miles
• Population: 5,091 (2000 census)
• Persons/Sq. Mile: 15.4 
• % Karst Terrane: approx. 30%
• Number of Reported Caves: 33
• Surveyed Cave Passage: 4 miles
• Longest Cave: 8,226 feet
• Average Length: 714 feet
• Deepest Cave: 240 feet

Major Karst Development Areas:

• Sinking Creek Valley
• Potts Creek Valley

Karstic Formations and Map Symbols:

• Helderberg - DSu
• Undivided Ordovician - Ou

Detailed Map - Click to View:

• Craig County Map Craig County Map
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