# Relationship history for MSHA mine 1512361

Current hierarchy: **James W  Croley → Golden Glow Coals Inc → Mason No 8 Mine**

- 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:** James W  Croley → Mason No 8 Mine; 1950-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Jackson Roy Dan → Mason No 8 Mine; 1977-03-21 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Penelee Coal Company Inc → Mason No 8 Mine; 1980-06-01 to 1980-07-20; source msha-controller-operator-history
- **controller_controls_operator:** Jackson Roy Dan → Penelee Coal Company Inc; 1980-06-01 to 1980-07-20; source msha-controller-operator-history
- **operator_operates_mine:** Golden Glow Coals Inc → Mason No 8 Mine; 1980-07-21 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** James W  Croley → Golden Glow Coals Inc; 1980-07-21 to current/open; source msha-controller-operator-history