Central Region Core Research Center Administration
| Township: | 3S | Range: | 11E | Section: | 23 |
| Quarter: | CSWNW | County: | CUSTER | State: | SD |
| API Number: | 4003305048 | Operator: | SAM GARY | Well Name: | 1 O'NEILL |
| Latitude: | 43.775865 | Longitude: | -102.776521 | Coordinate Source: | FROM STATE RECORDS |
| Minimum Depth: | 900 | Maximum Depth: | 2565 | Security Flag: |