# Relationship history for MSHA mine 3609864

Current hierarchy: **Jody M  Fisher → Fisher Enterprise → Pit #1**

- 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:** Hall's Homes & Lumber Inc → Pit #1; 2010-07-20 to 2011-05-31; source msha-controller-operator-history
- **controller_controls_mine:** Paul T  Hall → Pit #1; 2010-07-20 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Paul T  Hall → Hall's Homes & Lumber Inc; 2010-07-20 to 2011-05-31; source msha-controller-operator-history
- **operator_operates_mine:** Fisher Enterprise → Pit #1; 2011-06-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Jody M  Fisher → Pit #1; 2011-06-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Jody M  Fisher → Fisher Enterprise; 2011-06-01 to current/open; source msha-controller-operator-history