# Relationship history for MSHA mine 3608559

Current hierarchy: **Gorenty Earl L Jr → Morgan Run Coal Company Inc → Morgan Run Slope**

- 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:** Morgan Run Coal Company Inc → Morgan Run Slope; 1996-05-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Gorenty Earl L Jr → Morgan Run Slope; 1996-05-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Gorenty Earl L Jr → Morgan Run Coal Company Inc; 1996-05-01 to current/open; source msha-controller-operator-history