Central Region Core Research Center Administration
| Township: | 28N | Range: | 51E | Section: | 26 | 
| Quarter: | NWNE | County: | ROOSEVELT | State: | MT | 
| API Number: | 2508521053 | Operator: | NATOL PETROLEUM | Well Name: | 1-26 SIOUX | 
| Latitude: | 48.156011 | Longitude: | -105.0940881 | Coordinate Source: | FROM STATE RECORDS | 
| Minimum Depth: | 1010 | Maximum Depth: | 6031 | Security Flag: |