# Relationship history for MSHA mine 2900439

Current hierarchy: **Chris C  Perez; Victor C  Perez → Las Cruces Transit Mix Inc → Perez 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:** Las Cruces Transit Mix Inc → Perez Pit; 1950-01-01 to 2004-03-17; source msha-controller-operator-history
- **controller_controls_mine:** Chris C  Perez et al → Perez Pit; 1950-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Chris C  Perez et al → Las Cruces Transit Mix Inc; 1950-01-01 to 2004-03-17; source msha-controller-operator-history
- **controller_controls_operator:** Victor C  Perez et al → Las Cruces Transit Mix Inc; 1950-01-01 to 2004-03-17; source msha-controller-operator-history
- **operator_operates_mine:** R&R Mining LLC → Perez Pit; 2004-03-18 to 2007-12-31; source msha-controller-operator-history
- **controller_controls_mine:** Rogelio A  Juarez → Perez Pit; 2004-03-18 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Rogelio A  Juarez → R&R Mining LLC; 2004-03-18 to 2007-12-31; source msha-controller-operator-history
- **operator_operates_mine:** Las Cruces Transit Mix Inc → Perez Pit; 2008-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Victor C  Perez et al → Las Cruces Transit Mix Inc; 2008-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Chris C  Perez et al → Las Cruces Transit Mix Inc; 2008-01-01 to current/open; source msha-controller-operator-history