# Relationship history for MSHA mine 4003420

Current hierarchy: **James M Flynn → Crab Orchard Stone → Fire Tower Mine**

- 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:** James M Flynn → Fire Tower Mine; 1950-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Steven E  Patton → Fire Tower Mine; 2008-01-04 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Jennifer A  Galvez → Fire Tower Mine; 2010-12-03 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Hillbilly Rock → Fire Tower Mine; 2012-03-12 to 2013-07-16; source msha-controller-operator-history
- **controller_controls_operator:** Steven E  Patton → Hillbilly Rock; 2012-03-12 to 2013-07-16; source msha-controller-operator-history
- **operator_operates_mine:** Galvez Rock → Fire Tower Mine; 2013-07-17 to 2024-09-30; source msha-controller-operator-history
- **controller_controls_operator:** Jennifer A  Galvez → Galvez Rock; 2013-07-17 to 2024-09-30; source msha-controller-operator-history
- **controller_controls_mine:** Jeff S  Clayborn → Fire Tower Mine; 2017-12-04 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** C & C Stone → Fire Tower Mine; 2024-10-01 to 2025-09-30; source msha-controller-operator-history
- **controller_controls_operator:** Jeff S  Clayborn → C & C Stone; 2024-10-01 to 2025-09-30; source msha-controller-operator-history
- **operator_operates_mine:** Crab Orchard Stone → Fire Tower Mine; 2025-10-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** James M Flynn → Crab Orchard Stone; 2025-10-01 to current/open; source msha-controller-operator-history