# Relationship history for MSHA mine 5400468

Current hierarchy: **Raul  Robles; Francisco  Robles → Cantera Robles, Inc. → Cantera Robles**

- 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:** Robles Asphalt Corp. → Cantera Robles; 2007-11-07 to 2015-01-29; source msha-controller-operator-history
- **controller_controls_mine:** Francisco  Robles et al → Cantera Robles; 2007-11-07 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Francisco  Robles et al → Robles Asphalt Corp.; 2007-11-07 to 2015-01-29; source msha-controller-operator-history
- **controller_controls_operator:** Raul  Robles et al → Robles Asphalt Corp.; 2007-11-07 to 2015-01-29; source msha-controller-operator-history
- **operator_operates_mine:** Cantera Robles, Inc. → Cantera Robles; 2015-01-30 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Francisco  Robles et al → Cantera Robles; 2015-01-30 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Francisco  Robles et al → Cantera Robles, Inc.; 2015-01-30 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Raul  Robles et al → Cantera Robles, Inc.; 2015-01-30 to current/open; source msha-controller-operator-history