# Relationship history for MSHA mine 4503814

Current hierarchy: **Randall H Parker; Gail M Parker → Randy Parker Logging Inc → Loop Tavern Pit**

- 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

- **operator_operates_mine:** Randy Parker Logging Inc → Loop Tavern Pit; 2021-02-19 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Gail M Parker et al → Loop Tavern Pit; 2021-02-19 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Gail M Parker et al → Randy Parker Logging Inc; 2021-02-19 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Randall H Parker et al → Randy Parker Logging Inc; 2021-02-19 to current/open; source msha-controller-operator-history