# Relationship history for MSHA mine 3606811

Current hierarchy: **Plavi Joe → J & P Mining Company Inc → Strip No 2**

- 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:** Plavi Joe → Strip No 2; 1975-03-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** J & P Mining Company Inc → Strip No 2; 1979-03-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Plavi Joe → J & P Mining Company Inc; 1979-03-01 to current/open; source msha-controller-operator-history