SOUTH DAKOTA Department of
Environment & Natural Resources

Protecting South Dakota's Tomorrow...Today!
Joe Foss Building
523 E Capitol
Pierre, SD 57501
Field Offices
Contact Us

Geological Survey Program

414 East Clark Street
Akeley-Lawrence Science Center
Vermillion, SD 57069
ph: 605-677-5227

Derric Iles, State Geologist Email

State Mineral: Rose Quartz

State Gemstone: Fairburn Agate
Source: SD Museum of Geology

State Fossil: Triceratops