Central Region Core Research Center Administration
| Township: | 18N | Range: | 5E | Section: | 27 | 
| Quarter: | NWNW | County: | HARDING | State: | SD | 
| API Number: | 4006320040 | Operator: | PLACID OIL | Well Name: | 27-4 STATE | 
| Latitude: | 45.499853 | Longitude: | -103.502629 | Coordinate Source: | FROM STATE RECORDS | 
| Minimum Depth: | 300 | Maximum Depth: | 4240 | Security Flag: |