| South Dakota Geological Survey |
![]() |
| Akeley- Lawrence Science Center, USD | |
| 414 East Clark Street | |
| Vermillion, SD 57069 | |
| Telephone: 605-677-5227 | |
| Fax: 605-677-5895 |
| Personnel |
|
| State Geologist | Senior Secretary |
| Derric Iles () | Priscilla Young () |
| Natural Resources Administrator | Word Processing Supervisor |
| Tim Cowman () | Colleen Odenbrett () |
| Geology Specialist | Cartographer |
| Dennis Tomhave () | Lori Roinstad () |
| Hydrology Specialist | Natural Resources Technician |
| J. Foster Sawyer () | Jeff Puthoff () |
| Senior Geologist | Civil Engineering Technician |
| Sarah Chadima () | Dennis Iverson () |
| Mark Fahrenbach () | Scott Jensen () |
| Tom Haggar () | Ted Miller () |
| Ann Jensen () | Interns and Seasonals |
| Kelli McCormick () | Emily Beck () |
| Layne Schulz () |
Nathan Scheidel () |
| Senior Hydrologist | |
| Dragan Filipovic () |
|
| Tom Rich () | |
| Geologist | |
| Brian Fagnan () | |
| Hydrologist | |
| Matt Noonan () | |