# Relationship history for MSHA mine 1519600

Current hierarchy: **George W  Givens Jr → Givens Coal Company Inc. → Givens Coal Company Inc.**

- Valid-time bounds: inclusive, date granularity
- Null end: open-ended in the upstream history row; not independent proof of present control
- Transaction-time observation: 2026-10-17T05:35:58.500035+00:00

## Valid-time edges

- **controller_controls_mine:** George W  Givens Jr → Givens Coal Company Inc.; 1973-04-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Marty Jay  Gray → Givens Coal Company Inc.; 2000-05-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Stony Fork Mining, Inc. → Givens Coal Company Inc.; 2011-06-21 to 2012-08-28; source msha-controller-operator-history
- **controller_controls_mine:** Michael E  Bailey et al → Givens Coal Company Inc.; 2011-06-21 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Michael E  Bailey et al → Stony Fork Mining, Inc.; 2011-06-21 to 2012-08-28; source msha-controller-operator-history
- **controller_controls_operator:** Donald A  Stansberry et al → Stony Fork Mining, Inc.; 2011-06-21 to 2012-08-28; source msha-controller-operator-history
- **operator_operates_mine:** Gray's Excavating Inc. → Givens Coal Company Inc.; 2012-08-29 to 2012-10-02; source msha-controller-operator-history
- **controller_controls_operator:** Marty Jay  Gray → Gray's Excavating Inc.; 2012-08-29 to 2012-10-02; source msha-controller-operator-history
- **operator_operates_mine:** Givens Coal Company Inc. → Givens Coal Company Inc.; 2012-10-03 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** George W  Givens Jr → Givens Coal Company Inc.; 2012-10-03 to current/open; source msha-controller-operator-history