# Relationship history for MSHA mine 3606562

Current hierarchy: **Brian K  Reichard → Reichard Contracting, Inc. → Reichard Strips**

- 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:** Gene Reichard Paving & Excavating → Reichard Strips; 1977-11-01 to 1985-02-06; source msha-controller-operator-history
- **controller_controls_mine:** Reichard Gene → Reichard Strips; 1977-11-01 to 1985-02-06; source msha-controller-operator-history
- **controller_controls_operator:** Reichard Gene → Gene Reichard Paving & Excavating; 1977-11-01 to 1985-02-06; source msha-controller-operator-history
- **operator_operates_mine:** Reichard Contracting Inc → Reichard Strips; 1985-02-07 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Brian K  Reichard → Reichard Strips; 1985-02-07 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Brian K  Reichard → Reichard Contracting Inc; 1985-02-07 to current/open; source msha-controller-operator-history