# Relationship history for MSHA mine 0405230

Current hierarchy: **Patel Satish & Bob Orlosky → Orlosky Inc → JACKSON GULCH**

- 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:** Megatrend Mining I Inc → JACKSON GULCH; 1994-02-01 to 1995-09-11; source msha-controller-operator-history
- **controller_controls_mine:** Megatrend Mining & Metallurgy → JACKSON GULCH; 1994-02-01 to 1995-09-11; source msha-controller-operator-history
- **controller_controls_operator:** Megatrend Mining & Metallurgy → Megatrend Mining I Inc; 1994-02-01 to 1995-09-11; source msha-controller-operator-history
- **operator_operates_mine:** Calau-Megatrend Jv → JACKSON GULCH; 1995-09-12 to 1997-06-17; source msha-controller-operator-history
- **controller_controls_mine:** Hills Wayne & Rod Killen → JACKSON GULCH; 1995-09-12 to 1997-06-17; source msha-controller-operator-history
- **controller_controls_operator:** Hills Wayne & Rod Killen → Calau-Megatrend Jv; 1995-09-12 to 1997-06-17; source msha-controller-operator-history
- **operator_operates_mine:** Orlosky Inc → JACKSON GULCH; 1997-06-18 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Patel Satish & Bob Orlosky → JACKSON GULCH; 1997-06-18 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Patel Satish & Bob Orlosky → Orlosky Inc; 1997-06-18 to current/open; source msha-controller-operator-history