# Relationship history for MSHA mine 4300722

Current hierarchy: **Deborah L  LePage; Charles R  LePage → LePage Sand & Gravel → LePages Gravel Pit**

- 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:** LePage Sand & Gravel → LePages Gravel Pit; 2010-11-09 to 2025-06-08; source msha-controller-operator-history
- **controller_controls_mine:** Charles  LePage → LePages Gravel Pit; 2010-11-09 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Charles  LePage → LePage Sand & Gravel; 2010-11-09 to 2025-06-08; source msha-controller-operator-history
- **operator_operates_mine:** LePage Sand & Gravel → LePages Gravel Pit; 2025-06-09 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Deborah L  LePage et al → LePages Gravel Pit; 2025-06-09 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Deborah L  LePage et al → LePage Sand & Gravel; 2025-06-09 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Charles R  LePage et al → LePage Sand & Gravel; 2025-06-09 to current/open; source msha-controller-operator-history