# Relationship history for MSHA mine 0504971

Current hierarchy: **Homero  Molina → Molina Red Stone → Meadow Hollow**

- 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:** Molina Red Stone → Meadow Hollow; 2010-09-21 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Homero  Molina → Meadow Hollow; 2010-09-21 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Homero  Molina → Molina Red Stone; 2010-09-21 to current/open; source msha-controller-operator-history