Missouri is freckled with geologic features like caves and sinkholes. This is because the bedrock — composed of soluble rock like limestone and dolomite — is conducive to karst formation.

The Missouri Geological Survey believes a $134,000 investment by the state could help them answer the call from the federal government to find strategic mineral reserves and reduce our countries ...

The Missouri Geological Survey is flying specially equipped helicopters over Clark, Scotland and Schuyler counties. These aircraft will carry large hexagonal sensors suspended 100 feet below them.

The Missouri Geological Survey is flying specially equipped helicopters over Clark, Scotland and Schuyler counties. These aircraft will carry large hexagonal sensors suspended 100 feet below them.

People south of Interstate 70 may see planes flying at a low altitude. It’s part of the United States Geological Survey’s project to map parts of Missouri, Kansas, and Arkansas.