# Relationship history for MSHA mine 1102575

Current hierarchy: **White D L → D L White Company → Lone Star Reclaiming Company**

- 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:** Southern Recycling Company → Lone Star Reclaiming Company; 1976-10-01 to 1977-04-30; source msha-controller-operator-history
- **controller_controls_mine:** Bittle Larry → Lone Star Reclaiming Company; 1976-10-01 to 1977-04-30; source msha-controller-operator-history
- **controller_controls_operator:** Bittle Larry → Southern Recycling Company; 1976-10-01 to 1977-04-30; source msha-controller-operator-history
- **operator_operates_mine:** D L White Company → Lone Star Reclaiming Company; 1977-05-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** White D L → Lone Star Reclaiming Company; 1977-05-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** White D L → D L White Company; 1977-05-01 to current/open; source msha-controller-operator-history