# Relationship history for MSHA mine 3607921

Current hierarchy: **Charles H  God → Charles H God → Reinboltd Quarry**

- 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:** Herman God → Reinboltd Quarry; 1987-09-01 to 1988-05-09; source msha-controller-operator-history
- **controller_controls_mine:** God Herman → Reinboltd Quarry; 1987-09-01 to 1988-05-09; source msha-controller-operator-history
- **controller_controls_operator:** God Herman → Herman God; 1987-09-01 to 1988-05-09; source msha-controller-operator-history
- **operator_operates_mine:** Charles H God → Reinboltd Quarry; 1988-05-10 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Charles H  God → Reinboltd Quarry; 1988-05-10 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Charles H  God → Charles H God; 1988-05-10 to current/open; source msha-controller-operator-history