# Relationship history for MSHA mine 0405523

Current hierarchy: **Fernand  Larranaga → Larranaga Trucking & Construction → Larranaga Pit**

- 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:** Larranaga Trucking → Larranaga Pit; 2002-02-19 to 2006-12-31; source msha-controller-operator-history
- **controller_controls_mine:** Fernand  Larranaga → Larranaga Pit; 2002-02-19 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Fernand  Larranaga → Larranaga Trucking; 2002-02-19 to 2006-12-31; source msha-controller-operator-history
- **operator_operates_mine:** Larranaga Trucking Inc → Larranaga Pit; 2007-01-01 to 2010-04-14; source msha-controller-operator-history
- **controller_controls_mine:** Fernand  Larranaga → Larranaga Pit; 2007-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Fernand  Larranaga → Larranaga Trucking Inc; 2007-01-01 to 2010-04-14; source msha-controller-operator-history
- **operator_operates_mine:** Larranaga Construction Inc. → Larranaga Pit; 2010-04-15 to 2010-12-31; source msha-controller-operator-history
- **controller_controls_mine:** Fernand  Larranaga → Larranaga Pit; 2010-04-15 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Fernand  Larranaga → Larranaga Construction Inc.; 2010-04-15 to 2010-12-31; source msha-controller-operator-history
- **operator_operates_mine:** Larranaga Trucking & Construction → Larranaga Pit; 2011-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Fernand  Larranaga → Larranaga Trucking & Construction; 2011-01-01 to current/open; source msha-controller-operator-history