Central Region Core Research Center Administration
| Township: | 4S | Range: | 60E | Section: | 21 |
| Quarter: | SWSW | County: | CARTER | State: | MT |
| API Number: | 2501121210 | Operator: | PLACID OIL | Well Name: | D-129 USA |
| Latitude: | 45.4681296 | Longitude: | -104.3325751 | Coordinate Source: | FROM STATE RECORDS |
| Minimum Depth: | 1000 | Maximum Depth: | 4230 | Security Flag: |