# Relationship history for MSHA mine 4103879

Current hierarchy: **Jobeco Materials LLC → Jobe Materials LP → Red Sands Quarry (Closed)**

- 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:** Lupe Higareda Trucking → Red Sands Quarry (Closed); 1995-12-01 to 2009-03-23; source msha-controller-operator-history
- **controller_controls_mine:** Guadalupe  Higareda → Red Sands Quarry (Closed); 1995-12-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Guadalupe  Higareda → Lupe Higareda Trucking; 1995-12-01 to 2009-03-23; source msha-controller-operator-history
- **controller_controls_mine:** Irene  Epperson et al → Red Sands Quarry (Closed); 2005-04-26 to 2024-07-14; source msha-controller-operator-history
- **operator_operates_mine:** OVER THE EDGE ROCK SALES → Red Sands Quarry (Closed); 2009-03-24 to 2011-08-21; source msha-controller-operator-history
- **controller_controls_mine:** Guadalupe  Higareda → Red Sands Quarry (Closed); 2009-03-24 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Guadalupe  Higareda → OVER THE EDGE ROCK SALES; 2009-03-24 to 2011-08-21; source msha-controller-operator-history
- **operator_operates_mine:** Jobe Materials LP → Red Sands Quarry (Closed); 2011-08-22 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Irene  Epperson et al → Jobe Materials LP; 2011-08-22 to 2024-07-14; source msha-controller-operator-history
- **controller_controls_operator:** Stanley P  Jobe et al → Jobe Materials LP; 2011-08-22 to 2024-07-14; source msha-controller-operator-history
- **controller_controls_mine:** Jobeco Materials LLC et al → Red Sands Quarry (Closed); 2024-07-15 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Jobeco Materials LLC et al → Jobe Materials LP; 2024-07-15 to current/open; source msha-controller-operator-history