# Relationship history for MSHA mine 1601002

Current hierarchy: **Fontenot Sidney & Darrell Gillespie → G & F Gravel Company → G And F Gravel Company**

- Valid-time bounds: inclusive, date granularity
- Null end: open-ended in the upstream history row; not independent proof of present control
- Transaction-time observation: 2026-10-18T09:31:49.615908+00:00

## Valid-time edges

- **controller_controls_mine:** Lutes Billy G → G And F Gravel Company; 1950-01-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Lutesville Sand & Gravel Company Inc → G And F Gravel Company; 1981-01-01 to 1981-10-07; source msha-controller-operator-history
- **controller_controls_operator:** Lutes Billy G → Lutesville Sand & Gravel Company Inc; 1981-01-01 to 1981-10-07; source msha-controller-operator-history
- **operator_operates_mine:** G & F Gravel Company → G And F Gravel Company; 1981-10-08 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Fontenot Sidney & Darrell Gillespie → G And F Gravel Company; 1981-10-08 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Fontenot Sidney & Darrell Gillespie → G & F Gravel Company; 1981-10-08 to current/open; source msha-controller-operator-history