# Relationship history for MSHA mine 4405813

Current hierarchy: **Cumberland Resources Corporation → Lonesome Pine Coal Corp → 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:** Triple S Energy Inc → No 1 Mine; 1981-12-01 to 1986-04-21; source msha-controller-operator-history
- **controller_controls_mine:** Stanley Fred & Jackie → No 1 Mine; 1981-12-01 to 1986-04-21; source msha-controller-operator-history
- **controller_controls_operator:** Stanley Fred & Jackie → Triple S Energy Inc; 1981-12-01 to 1986-04-21; source msha-controller-operator-history
- **operator_operates_mine:** Lonesome Pine Coal Corp → No 1 Mine; 1986-04-22 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Cumberland Resources Corporation → No 1 Mine; 1986-04-22 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Cumberland Resources Corporation → Lonesome Pine Coal Corp; 1986-04-22 to current/open; source msha-controller-operator-history