Missouri Geological Survey
Missouri Geological Survey was created in 1853 to collect and distribute information about Missouri's water, mineral and energy resources. Our mission is to provide earth science information and services that support stewardship and beneficial use of Missouri's natural resources and that benefit public health and safety.
- Minerals and Mining
- Find out more about Missouri's past and present mining and land reclamation.
- Oil and Gas
- Access information about oil and gas in Missouri.
- Geothermal
- Learn about the science of ground temperatures and uses of this natural energy.
- McCracken Core Library and Research Center
- Visit one of the country's largest rock core repositories.
- Rocks and Fossils
- Learn about Missouri's rocks, minerals and fossils.
- Caves
- Learn more about our 7,300+ caves. Check out Historium Unearthia's podcast about St. Louis Caves.
- Groundwater
- Explore current groundwater information that is important to you such as, water levels, aquifers and more.
- Maps and Publications
- Explore topographic maps, geologic maps, scientific publications, books and more. Many electronic files are available.
- Environmental Science
- Protecting the environment using geoscience.
- Ask a Geologist
- Do you have a question about geology?
- Wells
- Learn about various well types, uses and regulations for drilling and well construction, and geologic well logs.
- Major Water Users
- Who is considered a Major Water User? See how to report water usage if you are a Major Water User.
- Wetlands
- Information about wetlands including monitoring stations.
- Springs
- Learn more about our more than 4,500 springs.
- Groundwater
- Explore current groundwater information that is important to you such as, water levels, aquifers and more.
- Surface water
- Access information about streams, lakes and reservoirs.
- Interstate Waters
- Missouri shares water with 26 states. Find information about issues concerning these shared waters.
- Dams
- Find information related to the regulation of dams in Missouri.
- Missouri Water Resources Plan
- Understanding water availability based on water use needs.
- Water Tracing
- This is a process used to research where and how water travels underground.
- Environmental Science
- Protecting the environment using geoscience.
- Maps and Publications
- Explore topographic maps, geologic maps, scientific publications, books and more. Many electronic files are available.
- Earthquakes
- Small earthquakes occur in Missouri nearly every day. See where the most recent quakes are located.
- Sinkholes
- The state has more than 16,000 sinkholes. See where and how they tend to develop.
- Flooding
- Be prepared for flooding. Find river and lake levels here.
- Landslides
- Learn about landslides in Missouri and see where they are more likely to occur.
- Mine Shafts
- What makes them a hazard and what can you do with one if found on your property? Find out more here.
- Open Wells
- Learn how to plug an abandoned well.
- Dam Failures
- What are leading causes of dam failure, how do they occur and how can they be prevented? Find out more here.
- Maps and Publications
- Explore topographic maps, geologic maps, scientific publications, books and more. Many electronic files are available.
- Ed Clark Museum
- Take a self-guided tour of our museum of geology including minerals, rocks, fossils and more.
- Ask a Geologist
- Do you have a question about geology?
- Earth Science Week
- Celebrate with us, learn, enter contests and more.
- Electronic Publications Library
- View and download publications, or purchase limited selection of print publications.
- Careers in Geology
- Learn about professional opportunities.
- Videos
- Check out some of our educational videos.
- Rocks and Fossils
- Discover what they are, what they look like, and where to find them.
- Maps and Publications
- Explore topographic maps, geologic maps, scientific publications, books and more. Many electronic files are available.
- Missouri Rocks!
- Mo' Curious podcast episode by MissouriLife where MoDNR's Amber Steele and Larry "Boot" Pierce explain Missouri geology and tell why they chose careers in geology.