# Relationship history for MSHA mine 0101444

Current hierarchy: **Raines Charles H → Lakeside Coal Company Inc → Hamilton Pit 4**

- 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:** Reid Dolores → Hamilton Pit 4; 1950-01-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Lakeside Coal Company → Hamilton Pit 4; 1975-12-22 to 1977-09-27; source msha-controller-operator-history
- **controller_controls_operator:** Reid Dolores → Lakeside Coal Company; 1975-12-22 to 1977-09-27; source msha-controller-operator-history
- **operator_operates_mine:** Lakeside Coal Company Inc → Hamilton Pit 4; 1977-09-28 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Raines Charles H → Hamilton Pit 4; 1977-09-28 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Raines Charles H → Lakeside Coal Company Inc; 1977-09-28 to current/open; source msha-controller-operator-history