# Relationship history for MSHA mine 5400404

Current hierarchy: **Antonio E  Medina → CANTERA ROCA DURA LLC → CANTERA ROCA DURA INC**

- 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

- **operator_operates_mine:** Rocadura Inc → CANTERA ROCA DURA INC; 1997-11-01 to 1998-10-06; source msha-controller-operator-history
- **controller_controls_mine:** Jose R  Rossello (Reyes) → CANTERA ROCA DURA INC; 1997-11-01 to 1998-10-06; source msha-controller-operator-history
- **controller_controls_operator:** Jose R  Rossello (Reyes) → Rocadura Inc; 1997-11-01 to 1998-10-06; source msha-controller-operator-history
- **operator_operates_mine:** Roca Dura Inc → CANTERA ROCA DURA INC; 1998-10-07 to 2008-03-09; source msha-controller-operator-history
- **controller_controls_mine:** Melba  Figueroa et al → CANTERA ROCA DURA INC; 1998-10-07 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Melba  Figueroa et al → Roca Dura Inc; 1998-10-07 to 2008-03-09; source msha-controller-operator-history
- **controller_controls_operator:** Edgar  Figueroa et al → Roca Dura Inc; 1998-10-07 to 2008-03-09; source msha-controller-operator-history
- **operator_operates_mine:** Cantera Roca Dura Inc → CANTERA ROCA DURA INC; 2008-03-10 to 2011-08-09; source msha-controller-operator-history
- **controller_controls_mine:** Antonio E  Medina → CANTERA ROCA DURA INC; 2008-03-10 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Antonio E  Medina → Cantera Roca Dura Inc; 2008-03-10 to 2011-08-09; source msha-controller-operator-history
- **operator_operates_mine:** Cantera Roca Dura Planta #1 Corp → CANTERA ROCA DURA INC; 2011-08-10 to 2016-05-30; source msha-controller-operator-history
- **controller_controls_mine:** Carlos D  Bolet → CANTERA ROCA DURA INC; 2011-08-10 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Carlos D  Bolet → Cantera Roca Dura Planta #1 Corp; 2011-08-10 to 2016-05-30; source msha-controller-operator-history
- **operator_operates_mine:** Cantera Roca Dura Inc → CANTERA ROCA DURA INC; 2016-05-31 to 2020-01-23; source msha-controller-operator-history
- **controller_controls_operator:** Antonio E  Medina → Cantera Roca Dura Inc; 2016-05-31 to 2020-01-23; source msha-controller-operator-history
- **operator_operates_mine:** Cantera Roca Dura LLC → CANTERA ROCA DURA INC; 2020-01-24 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Antonio E  Medina → CANTERA ROCA DURA INC; 2020-01-24 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Antonio E  Medina → Cantera Roca Dura LLC; 2020-01-24 to current/open; source msha-controller-operator-history