• Area: 970 square miles
• Population: 65,615 (2000 census)
• Persons/Sq. Mile: 67.6
• % Karst Terrane: approx. 40%
• Longest Cave: 3,800 feet
• Average Length: 175 feet
• Deepest Cave: 200 feet
• Number of Reported Caves: 131
• Surveyed Cave Passage: 4 miles

Major Karst Development Areas:

• Shenandoah Valley
• ??? Valley
• ??? Ridge

Karstic Formations and Map Symbols:

• Helderberg - DSu
• Ordovician - Ou

Detailed Map - Click to View:

• Augusta County Map Augusta County Map
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