Central Region Core Research Center Administration
| Township: | 12N | Range: | 19E | Section: | 21 | 
| Quarter: | NENE | County: | ZIEBACH | State: | SD | 
| API Number: | 4013705002 | Operator: | HERNDON | Well Name: | 1 BUTLER | 
| Latitude: | 44.992235 | Longitude: | -101.807543 | Coordinate Source: | FROM STATE RECORDS | 
| Minimum Depth: | 370 | Maximum Depth: | 5590 | Security Flag: |