# Relationship history for MSHA mine 3303734

Current hierarchy: **Collins Gregory Kent → Eagle Stone Inc → Corning #1**

- Valid-time bounds: inclusive, date granularity
- Null end: open-ended in the upstream history row; not independent proof of present control
- Transaction-time observation: 2026-10-17T05:35:58.500035+00:00

## Valid-time edges

- **controller_controls_mine:** Coal Energy Corp → Corning #1; 1978-07-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Ohio Valley Mining Inc → Corning #1; 1979-02-01 to 1981-08-19; source msha-controller-operator-history
- **controller_controls_operator:** Coal Energy Corp → Ohio Valley Mining Inc; 1979-02-01 to 1981-08-19; source msha-controller-operator-history
- **operator_operates_mine:** Mineral Mining Corp → Corning #1; 1981-08-20 to 1982-08-09; source msha-controller-operator-history
- **controller_controls_mine:** Bathalter Joe S-John Daily Et Al → Corning #1; 1981-08-20 to 1982-08-09; source msha-controller-operator-history
- **controller_controls_operator:** Bathalter Joe S-John Daily Et Al → Mineral Mining Corp; 1981-08-20 to 1982-08-09; source msha-controller-operator-history
- **operator_operates_mine:** Eagle Stone Inc → Corning #1; 1982-08-10 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Collins Gregory Kent → Corning #1; 1982-08-10 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Collins Gregory Kent → Eagle Stone Inc; 1982-08-10 to current/open; source msha-controller-operator-history