# Relationship history for MSHA mine 1514690

Current hierarchy: **Adkins Roe & James Haynes → S & H Coal Company → S And H Coal Co**

- Valid-time bounds: inclusive, date granularity
- Null end: open-ended in the upstream history row; not independent proof of present control
- Transaction-time observation: 2026-10-17T05:35:58.500035+00:00

## Valid-time edges

- **operator_operates_mine:** S & H Coal Company → S And H Coal Co; 1984-06-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Adkins Roe & James Haynes → S And H Coal Co; 1984-06-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Adkins Roe & James Haynes → S & H Coal Company; 1984-06-01 to current/open; source msha-controller-operator-history