# Relationship history for MSHA mine 4104904

Current hierarchy: **Matthew Ward  Hanna → Pinnacle Materials LLC → Mabee**

- 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:** Matthew Ward  Hanna → Mabee; 2010-08-04 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Pinnacle Materials → Mabee; 2011-10-19 to 2012-05-03; source msha-controller-operator-history
- **controller_controls_operator:** Matthew Ward  Hanna → Pinnacle Materials; 2011-10-19 to 2012-05-03; source msha-controller-operator-history
- **controller_controls_mine:** Matthew Ward  Hanna → Mabee; 2012-04-23 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Pinnacle Materials LLC → Mabee; 2012-05-04 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Matthew Ward  Hanna → Pinnacle Materials LLC; 2012-05-04 to current/open; source msha-controller-operator-history