# Relationship history for MSHA mine 4300463

Current hierarchy: **Cheryl A  Harvey; Raymond C  Harvey → HARVEY'S PLUMBING AND EXCAVATING LLC → HARVEYS PEAVINE 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: 2026-10-17T05:35:58.500035+00:00

## Valid-time edges

- **operator_operates_mine:** Harvey's Plumbing and Excavating LLC → HARVEYS PEAVINE PIT; 1990-11-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Raymond C  Harvey et al → HARVEYS PEAVINE PIT; 1990-11-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Raymond C  Harvey et al → Harvey's Plumbing and Excavating LLC; 1990-11-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Cheryl A  Harvey et al → Harvey's Plumbing and Excavating LLC; 1990-11-01 to current/open; source msha-controller-operator-history