# Relationship history for MSHA mine 0801062

Current hierarchy: **Hurt Jack → Rolls Investments Inc → Brevard Road Products**

- 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:** Brevard Road Product Inc → Brevard Road Products; 1986-08-01 to 1987-08-18; source msha-controller-operator-history
- **controller_controls_mine:** Hurt Jack → Brevard Road Products; 1986-08-01 to 1987-08-18; source msha-controller-operator-history
- **controller_controls_operator:** Hurt Jack → Brevard Road Product Inc; 1986-08-01 to 1987-08-18; source msha-controller-operator-history
- **operator_operates_mine:** Houston Trucking Inc → Brevard Road Products; 1987-08-19 to 1989-07-25; source msha-controller-operator-history
- **controller_controls_mine:** Houston Coyte E → Brevard Road Products; 1987-08-19 to 1989-07-25; source msha-controller-operator-history
- **controller_controls_operator:** Houston Coyte E → Houston Trucking Inc; 1987-08-19 to 1989-07-25; source msha-controller-operator-history
- **operator_operates_mine:** Rolls Investments Inc → Brevard Road Products; 1989-07-26 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Hurt Jack → Brevard Road Products; 1989-07-26 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Hurt Jack → Rolls Investments Inc; 1989-07-26 to current/open; source msha-controller-operator-history