# Relationship history for MSHA mine 1100829

Current hierarchy: **Deaton Jack L → Jack L Deaton Construction → Deaton No 1 Strip**

- 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:** Jack L Deaton Construction → Deaton No 1 Strip; 1950-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Deaton Jack L → Deaton No 1 Strip; 1950-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Deaton Jack L → Jack L Deaton Construction; 1950-01-01 to current/open; source msha-controller-operator-history