# Relationship history for MSHA mine 4606693

Current hierarchy: **Clark Randy H → Elma Coal Company Inc → Peach Tree #3**

- 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:** Elma Coal Company Inc → Peach Tree #3; 1983-09-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Clark Randy H → Peach Tree #3; 1983-09-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Clark Randy H → Elma Coal Company Inc; 1983-09-01 to current/open; source msha-controller-operator-history