# Relationship history for MSHA mine 4801530

Current hierarchy: **Jacob L  Edwards → GECR,  LLC → GECR LLC**

- 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:** Rocky Top Rock → GECR LLC; 1995-05-01 to 2010-06-05; source msha-controller-operator-history
- **controller_controls_mine:** Bert R  Mc Neel → GECR LLC; 1995-05-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Bert R  Mc Neel → Rocky Top Rock; 1995-05-01 to 2010-06-05; source msha-controller-operator-history
- **operator_operates_mine:** GECR,  LLC → GECR LLC; 2010-06-06 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Ganelle B  Edwards → GECR LLC; 2010-06-06 to 2018-11-12; source msha-controller-operator-history
- **controller_controls_operator:** Ganelle B  Edwards → GECR,  LLC; 2010-06-06 to 2018-11-12; source msha-controller-operator-history
- **controller_controls_mine:** Jacob L  Edwards → GECR LLC; 2018-11-13 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Jacob L  Edwards → GECR,  LLC; 2018-11-13 to current/open; source msha-controller-operator-history