# Relationship history for MSHA mine 2302447

Current hierarchy: **Roger  Ideker → Ideker Mining LLC → Mosby Quarry**

- 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

- **controller_controls_mine:** Roger  Ideker → Mosby Quarry; 1992-09-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Ideker Inc → Mosby Quarry; 2013-01-31 to 2024-12-31; source msha-controller-operator-history
- **controller_controls_operator:** Roger  Ideker → Ideker Inc; 2013-01-31 to 2024-12-31; source msha-controller-operator-history
- **operator_operates_mine:** Ideker Mining LLC → Mosby Quarry; 2025-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Roger  Ideker → Mosby Quarry; 2025-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Roger  Ideker → Ideker Mining LLC; 2025-01-01 to current/open; source msha-controller-operator-history