# Relationship history for MSHA mine 1513184

Current hierarchy: **Davis Larry E → Compliance Coal Company Inc → Catron No 1 Mine**

- 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:** Compliance Coal Company Inc → Catron No 1 Mine; 1981-10-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Davis Larry E → Catron No 1 Mine; 1981-10-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Davis Larry E → Compliance Coal Company Inc; 1981-10-01 to current/open; source msha-controller-operator-history