# Relationship history for MSHA mine 1514288

Current hierarchy: **Miracle Terry → April-Chase Mining Inc → 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

- **controller_controls_mine:** Randal  Lawson → No 1 Mine; 1983-09-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Sugartree Corp → No 1 Mine; 1983-10-01 to 1984-02-02; source msha-controller-operator-history
- **controller_controls_operator:** Randal  Lawson → Sugartree Corp; 1983-10-01 to 1984-02-02; source msha-controller-operator-history
- **operator_operates_mine:** Powers Branch Mining → No 1 Mine; 1984-02-03 to 1984-09-23; source msha-controller-operator-history
- **controller_controls_mine:** Roark Woodrow Jr & Ricky Disney → No 1 Mine; 1984-02-03 to 1984-09-23; source msha-controller-operator-history
- **controller_controls_operator:** Roark Woodrow Jr & Ricky Disney → Powers Branch Mining; 1984-02-03 to 1984-09-23; source msha-controller-operator-history
- **operator_operates_mine:** April-Chase Mining Inc → No 1 Mine; 1984-09-24 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Miracle Terry → No 1 Mine; 1984-09-24 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Miracle Terry → April-Chase Mining Inc; 1984-09-24 to current/open; source msha-controller-operator-history