# Relationship history for MSHA mine 3606016

Current hierarchy: **Nyman Floyd & Edward Bakale → Pat-Dol Inc → Pat-Dol Inc**

- 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:** Yellow Run Energy Company → Pat-Dol Inc; 1976-03-01 to 1980-08-28; source msha-controller-operator-history
- **controller_controls_mine:** Weerts Ben → Pat-Dol Inc; 1976-03-01 to 1980-08-28; source msha-controller-operator-history
- **controller_controls_operator:** Weerts Ben → Yellow Run Energy Company; 1976-03-01 to 1980-08-28; source msha-controller-operator-history
- **operator_operates_mine:** Green-Fuel → Pat-Dol Inc; 1980-08-29 to 1981-07-19; source msha-controller-operator-history
- **controller_controls_mine:** Green Richard J Jr → Pat-Dol Inc; 1980-08-29 to 1981-07-19; source msha-controller-operator-history
- **controller_controls_operator:** Green Richard J Jr → Green-Fuel; 1980-08-29 to 1981-07-19; source msha-controller-operator-history
- **operator_operates_mine:** Pat-Dol Inc → Pat-Dol Inc; 1981-07-20 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Nyman Floyd & Edward Bakale → Pat-Dol Inc; 1981-07-20 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Nyman Floyd & Edward Bakale → Pat-Dol Inc; 1981-07-20 to current/open; source msha-controller-operator-history