Central Region Core Research Center Administration
| Township: | 1N | Range: | 54E | Section: | 18 |
| Quarter: | SESE | County: | CUSTER | State: | MT |
| API Number: | Operator: | USGS | Well Name: | 2 MADISON TEST WELL | |
| Latitude: | 45.8380612319 | Longitude: | -105.0537218815 | Coordinate Source: | CENTER OF QUARTER SECTION |
| Minimum Depth: | 470 | Maximum Depth: | 9394 | Security Flag: |