Karst is a type of landscape characterized by the presence of springs, sinkholes, losing streams and caves, created as groundwater dissolves soluble rock such as limestone or dolomite. Caves Missouri has more than 7,500 caves Losing Streams Losing streams lose water to the groundwater system through bedrock openings Sinkholes The state has more than 16,000 known sinkholes Springs Missouri has more than 4,400 springs Popular Links Caves GeoEDGE GeoSTRAT Maps, Data and Research New Madrid Seismic Zone Rocks, Minerals and Fossils Sinkholes Soil and Water Conservation Commissions, Boards and Councils Public Notices Report an Environmental Concern or Submit a Question About Us Navigation Geology Maps, Data and Research Geologic Hazards Dam and Reservoir Safety Soil and Water Conservation Mining and Land Reclamation Businesses, Landowners and Permittees What We’re Doing Get Involved Related Links Water Tracing Laboratory Contact Information Geological Survey Program Address Missouri Geological Survey P.O. Box 250 Rolla, MO 65402-0250 United States Main 573-368-2100 Toll-free 800-361-4827 Fax 573-368-2481 Email geology@dnr.mo.gov
Geological Survey Program Address Missouri Geological Survey P.O. Box 250 Rolla, MO 65402-0250 United States Main 573-368-2100 Toll-free 800-361-4827 Fax 573-368-2481 Email geology@dnr.mo.gov