# Relationship history for MSHA mine 3003723

Current hierarchy: **Richard L  Peck; Louis S  Woodgie → Richard L. Peck Construction Inc. → Birch Run 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: 2026-10-17T05:35:58.500035+00:00

## Valid-time edges

- **operator_operates_mine:** Richard L. Peck Construction Inc. → Birch Run Gravel Pit; 2009-10-19 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Richard L  Peck et al → Birch Run Gravel Pit; 2009-10-19 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Richard L  Peck et al → Richard L. Peck Construction Inc.; 2009-10-19 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Louis S  Woodgie et al → Richard L. Peck Construction Inc.; 2009-10-19 to current/open; source msha-controller-operator-history