# Relationship history for MSHA mine 1201431

Current hierarchy: **Hoesli John J → Mifflin Mining Company Inc → Corning Mine-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:** Lemmons & Company Inc → Corning Mine-Strip; 1974-10-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Lemmons & Company Inc → Corning Mine-Strip; 1975-04-01 to 1978-04-01; source msha-controller-operator-history
- **controller_controls_operator:** Lemmons & Company Inc → Lemmons & Company Inc; 1975-04-01 to 1978-04-01; source msha-controller-operator-history
- **controller_controls_mine:** Hoesli John J → Corning Mine-Strip; 1977-07-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Mifflin Mining Company Inc → Corning Mine-Strip; 1978-04-02 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Hoesli John J → Mifflin Mining Company Inc; 1978-04-02 to current/open; source msha-controller-operator-history