Central Region Core Research Center Administration
| Township: | 21N | Range: | 3E | Section: | 23 | 
| Quarter: | NESE | County: | HARDING | State: | SD | 
| API Number: | 4006320153 | Operator: | W C KIRKWOOD | Well Name: | 43-23 CLARKSON | 
| Latitude: | 45.768183 | Longitude: | -103.709127 | Coordinate Source: | FROM STATE RECORDS | 
| Minimum Depth: | 5000 | Maximum Depth: | 8518 | Security Flag: |