# Relationship history for MSHA mine 1508749

Current hierarchy: **Hyde Luther Jr → Clover Fork Energy Inc → Cloverfork Energy**

- 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:** Clover Fork Energy Inc → Cloverfork Energy; 1975-09-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Hyde Luther Jr → Cloverfork Energy; 1975-09-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Hyde Luther Jr → Clover Fork Energy Inc; 1975-09-01 to current/open; source msha-controller-operator-history