# Relationship history for MSHA mine 1518473

Current hierarchy: **Steven T Thompson; Aaron D Thompson; Danny  Thompson; Douglas  Thompson → T & T Coal Inc. → Devils Den Job**

- 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:** Morris G  Thompson → Devils Den Job; 1991-11-01 to 2020-08-14; source msha-controller-operator-history
- **operator_operates_mine:** T & T COAL → Devils Den Job; 2001-11-09 to 2001-12-03; source msha-controller-operator-history
- **controller_controls_operator:** Morris G  Thompson → T & T COAL; 2001-11-09 to 2001-12-03; source msha-controller-operator-history
- **operator_operates_mine:** T & W Coal Co LLC → Devils Den Job; 2001-12-04 to 2005-01-18; source msha-controller-operator-history
- **controller_controls_mine:** Randall  Wagers et al → Devils Den Job; 2001-12-04 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Randall  Wagers et al → T & W Coal Co LLC; 2001-12-04 to 2005-01-18; source msha-controller-operator-history
- **controller_controls_operator:** Morris  Thompson et al → T & W Coal Co LLC; 2001-12-04 to 2005-01-18; source msha-controller-operator-history
- **operator_operates_mine:** T & T Coal Inc. → Devils Den Job; 2005-01-19 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Morris G  Thompson → T & T Coal Inc.; 2005-01-19 to 2020-08-14; source msha-controller-operator-history
- **controller_controls_mine:** Steven T Thompson et al → Devils Den Job; 2020-08-15 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Steven T Thompson et al → T & T COAL; 2020-08-15 to 2001-12-03; source msha-controller-operator-history
- **controller_controls_operator:** Danny  Thompson et al → T & T COAL; 2020-08-15 to 2001-12-03; source msha-controller-operator-history
- **controller_controls_operator:** Douglas  Thompson et al → T & T COAL; 2020-08-15 to 2001-12-03; source msha-controller-operator-history
- **controller_controls_operator:** Aaron D Thompson et al → T & T COAL; 2020-08-15 to 2001-12-03; source msha-controller-operator-history
- **controller_controls_operator:** Aaron D Thompson et al → T & T Coal Inc.; 2020-08-15 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Douglas  Thompson et al → T & T Coal Inc.; 2020-08-15 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Steven T Thompson et al → T & T Coal Inc.; 2020-08-15 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Danny  Thompson et al → T & T Coal Inc.; 2020-08-15 to current/open; source msha-controller-operator-history