# Relationship history for MSHA mine 5001903

Current hierarchy: **Aspen/Westcord LLC; James R  Orr → Q4M Production Company LLC → Old Camp Mine**

- 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:** Q4M Production Company LLC → Old Camp Mine; 2010-04-17 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Aspen/Westcord LLC et al → Old Camp Mine; 2010-04-17 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Aspen/Westcord LLC et al → Q4M Production Company LLC; 2010-04-17 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** James R  Orr et al → Q4M Production Company LLC; 2010-04-17 to current/open; source msha-controller-operator-history