# Relationship history for MSHA mine 1001025

Current hierarchy: **Mc Gary Lawrence W → Shama Mineral-Chemical & Oil → Jehovah-Shammah**

- 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

- **operator_operates_mine:** Domestic Power Development Company → Jehovah-Shammah; 1950-01-01 to 1982-04-03; source msha-controller-operator-history
- **controller_controls_mine:** Domestic Power Development Company → Jehovah-Shammah; 1950-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Domestic Power Development Company → Domestic Power Development Company; 1950-01-01 to 1982-04-03; source msha-controller-operator-history
- **operator_operates_mine:** Shama Mineral-Chemical & Oil → Jehovah-Shammah; 1982-04-04 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Mc Gary Lawrence W → Jehovah-Shammah; 1982-04-04 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Mc Gary Lawrence W → Shama Mineral-Chemical & Oil; 1982-04-04 to current/open; source msha-controller-operator-history