# Relationship history for MSHA mine 4404072

Current hierarchy: **Hawkins J C → H & G Mining Company Inc → #1 Strip**

- 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

- **operator_operates_mine:** H & G Mining Company → #1 Strip; 1975-04-01 to 1989-01-17; source msha-controller-operator-history
- **controller_controls_mine:** Gilliam Joe & Noah S--J C Hawkins → #1 Strip; 1975-04-01 to 1989-01-17; source msha-controller-operator-history
- **controller_controls_operator:** Gilliam Joe & Noah S--J C Hawkins → H & G Mining Company; 1975-04-01 to 1989-01-17; source msha-controller-operator-history
- **operator_operates_mine:** H & G Mining Company Inc → #1 Strip; 1989-01-18 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Hawkins J C → #1 Strip; 1989-01-18 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Hawkins J C → H & G Mining Company Inc; 1989-01-18 to current/open; source msha-controller-operator-history