# Relationship history for MSHA mine 4407079

Current hierarchy: **Laird T  Orr Jr. → Green Hill Mining Inc → GHM #51**

- Valid-time bounds: inclusive, date granularity
- Null end: open-ended in the upstream history row; not independent proof of present control
- Transaction-time observation: 2026-10-13T11:19:05.459773+00:00

## Valid-time edges

- **controller_controls_mine:** Laird T  Orr Jr. → GHM #51; 1978-05-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Southeast Contractors, Inc. → GHM #51; 2003-07-24 to 2004-04-22; source msha-controller-operator-history
- **controller_controls_mine:** Russell  Stacy → GHM #51; 2003-07-24 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Russell  Stacy → Southeast Contractors, Inc.; 2003-07-24 to 2004-04-22; source msha-controller-operator-history
- **controller_controls_mine:** Russell  Stacy → GHM #51; 2004-04-08 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Southeast Auger Co., LLC. → GHM #51; 2004-04-23 to 2005-07-17; source msha-controller-operator-history
- **controller_controls_operator:** Russell  Stacy → Southeast Auger Co., LLC.; 2004-04-23 to 2005-07-17; source msha-controller-operator-history
- **operator_operates_mine:** Green Hill Mining Inc → GHM #51; 2005-07-18 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Laird T  Orr Jr. → Green Hill Mining Inc; 2005-07-18 to current/open; source msha-controller-operator-history