Central Region Core Research Center Administration
| Township: | 11S | Range: | 1E | Section: | 20 |
| Quarter: | NWSW | County: | FALL RIVER | State: | SD |
| API Number: | 4004720086 | Operator: | APACHE | Well Name: | 20-13 ALKALI CREEK-FEDERAL |
| Latitude: | 43.078365 | Longitude: | -104.032077 | Coordinate Source: | FROM STATE RECORDS |
| Minimum Depth: | 260 | Maximum Depth: | 4080 | Security Flag: |