# Relationship history for MSHA mine 4801903

Current hierarchy: **Daren  Hershey; Everett  Hershey; Leland  Hershey → Peak Gravel LLC → Dodge 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:** Peak Gravel LLC → Dodge Pit; 2025-09-19 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Leland  Hershey et al → Dodge Pit; 2025-09-19 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Leland  Hershey et al → Peak Gravel LLC; 2025-09-19 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Daren  Hershey et al → Peak Gravel LLC; 2025-09-19 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Everett  Hershey et al → Peak Gravel LLC; 2025-09-19 to current/open; source msha-controller-operator-history
