# Relationship history for MSHA mine 3604111

Current hierarchy: **William J McIntire; Ronald  McIntire → William J Mcintire Coal Company Inc → Mc Intire 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: 2026-10-13T11:19:05.459773+00:00

## Valid-time edges

- **operator_operates_mine:** William J Mcintire Coal Company Inc → Mc Intire Strip; 1950-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Ronald  McIntire et al → Mc Intire Strip; 1950-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Ronald  McIntire et al → William J Mcintire Coal Company Inc; 1950-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** William J McIntire et al → William J Mcintire Coal Company Inc; 1950-01-01 to current/open; source msha-controller-operator-history