# Relationship history for MSHA mine 4605400

Current hierarchy: **Allen Joseph Jr → Allen Trucking Company → Allen 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

- **controller_controls_mine:** Allen Joseph Jr → Allen Strip; 1972-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Hawley Charbon → Allen Strip; 1974-11-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Hawley Coal Mining Corp → Allen Strip; 1977-01-01 to 1977-06-22; source msha-controller-operator-history
- **controller_controls_operator:** Hawley Charbon → Hawley Coal Mining Corp; 1977-01-01 to 1977-06-22; source msha-controller-operator-history
- **operator_operates_mine:** Allen Trucking Company → Allen Strip; 1977-06-23 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Allen Joseph Jr → Allen Trucking Company; 1977-06-23 to current/open; source msha-controller-operator-history